ustransplant.org - Research Resources - Analytic Conventions

Research Resources: Analytic Conventions - Model Description (Kidney-Pancreas)

Model Descriptions on This Page

Kidney Graft Survival Model Description

Adult (Age 18+)

Pancreas Graft Survival Model Description

Adult (Age 18+)

Patient Survival Model Description

Adult (Age 18+)

Kidney Graft Survival Model Description
1 Month after Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

96.1% alive at 1 Month when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

HLA mismatch: 0 mismatch (ref=3.5 mismatch)	-1.3629	1.0119	0.1780
HLA mismatch: linear ** (ref=3.5 mismatch)	-0.1151	0.1063	0.2789
HLA mismatch: missing (ref=3.5 mismatch)	-11.2816	1032.9972	0.9913
Previous kidney transplant	-0.1704	0.6810	0.8024
Recipient age: 18-34 (ref=35-49)	0.2893	0.2801	0.3017
Recipient age: 50-64 (ref=35-49)	-0.0024	0.3721	0.9949
Recipient age: 65+ (ref=35-49)	-10.7705	815.9302	0.9895
Year of ESRD treatment: missing (ref=years 3-5)	-11.4539	802.3281	0.9886
Year of ESRD treatment: year 1 (ref=years 3-5)	-0.6864	0.3369	0.0416
Year of ESRD treatment: year 2 (ref=years 3-5)	-0.1203	0.2992	0.6877
Year of ESRD treatment: years 6+ (ref=years 3-5)	0.5722	0.6028	0.3425



** HLA is centered on 3.5.

Kidney Graft Survival Model Description
1 Year after Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

85.8% alive at 1 Year when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

Donor age: 0-17 (ref=35-49)	-0.4372	0.2282	0.0554
Donor age: 18-34 (ref=35-49)	-0.4759	0.1820	0.0089
Donor age: 50-64 (ref=35-49)	0.1703	0.4043	0.6736
HLA mismatch: 0 mismatch (ref=3.5 mismatch)	0.0800	0.3510	0.8197
HLA mismatch: linear ** (ref=3.5 mismatch)	0.0151	0.0721	0.8340
HLA mismatch: missing (ref=3.5 mismatch)	-10.1937	391.3920	0.9792
Year of ESRD treatment: missing (ref=years 3-5)	1.5415	1.0235	0.1320
Year of ESRD treatment: year 1 (ref=years 3-5)	-0.3448	0.1975	0.0808
Year of ESRD treatment: year 2 (ref=years 3-5)	-0.3115	0.2052	0.1290
Year of ESRD treatment: years 6+ (ref=years 3-5)	0.4451	0.2812	0.1134
Years since onset of DM: 0-19 (ref=25-29)	-0.4586	0.2774	0.0982
Years since onset of DM: 20-24 (ref=25-29)	-0.1176	0.2283	0.6067
Years since onset of DM: 30+ (ref=25-29)	-0.3003	0.2233	0.1786
Years since onset of DM: missing (ref=25-29)	0.0520	0.2635	0.8436



** HLA is centered on 3.5.

Kidney Graft Survival Model Description
3 Years after Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

76.7% alive at 3 Years when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

Donor age: 0-17 (ref=35-49)	-0.3318	0.1636	0.0425
Donor age: 18-34 (ref=35-49)	-0.4440	0.1403	0.0016
Donor age: 50-64 (ref=35-49)	0.1128	0.2790	0.6859
Recipient female	0.0753	0.1201	0.5310
Year of ESRD treatment: missing (ref=years 3-5)	-11.2913	315.0088	0.9714
Year of ESRD treatment: year 1 (ref=years 3-5)	-0.5026	0.1473	0.0006
Year of ESRD treatment: year 2 (ref=years 3-5)	-0.3203	0.1603	0.0457
Year of ESRD treatment: years 6+ (ref=years 3-5)	0.2629	0.2355	0.2643
Years since onset of DM: 0-19 (ref=25-29)	-0.0354	0.2051	0.8628
Years since onset of DM: 20-24 (ref=25-29)	0.0872	0.1792	0.6267
Years since onset of DM: 30+ (ref=25-29)	0.1548	0.1747	0.3753
Years since onset of DM: missing (ref=25-29)	0.5199	0.2148	0.0155



** HLA is centered on 3.5.

Pancreas Graft Survival Model Description
1 Month after Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

89.8% alive at 1 Month when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

Donor age: 0-17 (ref=35-49)	-0.8279	0.2613	0.0015
Donor age: 18-34 (ref=35-49)	-0.3208	0.1848	0.0826
Donor age: 50-64 (ref=35-49)	0.4988	0.3194	0.1184
Donor female	-0.1074	0.1697	0.5268
Donor race: Asian (ref=White)	-1.2071	1.0046	0.2295
Donor race: Black (ref=White)	0.0268	0.2287	0.9067
Donor race: Multi-racial, other, unknown or missing (ref=White)	-0.1561	1.0051	0.8766
Donor: cadaveric COD CNS tumor (ref=COD Head trauma)	0.3575	0.7268	0.6228
Donor: cadaveric COD anoxia (ref=COD Head trauma)	0.3633	0.2797	0.1940
Donor: cadaveric COD cerebrovascular/stroke (ref=COD Head trauma)	0.2374	0.1968	0.2276
Donor: cadaveric COD other (ref=COD Head trauma)	0.0412	0.5147	0.9361
HLA mismatch: 0 mismatch (ref=3.5 mismatch)	0.2503	0.3063	0.4138
HLA mismatch: linear ** (ref=3.5 mismatch)	-0.0047	0.0667	0.9433
HLA mismatch: missing (ref=3.5 mismatch)	-11.9599	1000.3453	0.9905
Recipient female	0.0348	0.1489	0.8151
Recipient race: Asian (ref=White)	-11.9616	303.3294	0.9685
Recipient race: Black (ref=White)	0.2913	0.2186	0.1827
Recipient race: Multi-racial, other, unknown or missing (ref=White)	0.2342	0.7204	0.7451



** HLA is centered on 3.5.

Pancreas Graft Survival Model Description
1 Year after Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

84.3% alive at 1 Year when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

Donor age: 0-17 (ref=35-49)	-0.4205	0.2608	0.1069
Donor age: 18-34 (ref=35-49)	-0.3121	0.1919	0.1039
Donor age: 50-64 (ref=35-49)	0.6639	0.3384	0.0498
Donor: cadaveric COD CNS tumor (ref=COD Head trauma)	0.5359	0.5108	0.2941
Donor: cadaveric COD anoxia (ref=COD Head trauma)	0.1955	0.2282	0.3917
Donor: cadaveric COD cerebrovascular/stroke (ref=COD Head trauma)	0.1406	0.1490	0.3454
Donor: cadaveric COD other (ref=COD Head trauma)	0.3408	0.3289	0.3000
Duct management: missing (ref=cystostomy)	1.0126	0.6405	0.1139
Duct management: non-cystostomy (ref=cystostomy)	-0.0060	0.1406	0.9657
HLA mismatch: 0 mismatch (ref=3.5 mismatch)	0.4358	0.4045	0.2813
HLA mismatch: linear ** (ref=3.5 mismatch)	0.0882	0.0947	0.3522
HLA mismatch: missing (ref=3.5 mismatch)	-10.1655	391.8763	0.9793
Recipient female	0.0263	0.1164	0.8215
Donor age by HLA mismatch interaction: 0-17 and 0 mismatch (ref=35-49 and 3.5 mismatch)	-0.5400	0.7468	0.4697
Donor age by HLA mismatch interaction: 0-17 and mismatch (ref=35-49 and 3.5 mismatch)	-0.0894	0.1659	0.5899
Donor age by HLA mismatch interaction: 0-17 and mismatch missing (ref=35-49 and 3.5 mismatch)	-0.1154	554.1970	0.9998
Donor age by HLA mismatch interaction: 18-34 and 0 mismatch (ref=35-49 and 3.5 mismatch)	-0.1562	0.5495	0.7762
Donor age by HLA mismatch interaction: 18-34 and mismatch (ref=35-49 and 3.5 mismatch)	-0.0536	0.1214	0.6586
Donor age by HLA mismatch interaction: 50-64 and 0 mismatch (ref=35-49 and 3.5 mismatch)	-1.0485	1.1799	0.3742
Donor age by HLA mismatch interaction: 50-64 and mismatch (ref=35-49 and 3.5 mismatch)	-0.1698	0.2217	0.4436



** HLA is centered on 3.5.

Pancreas Graft Survival Model Description
3 Years after Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

76.2% alive at 3 Years when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

Donor age: 0-17 (ref=35-49)	-0.6493	0.2183	0.0029
Donor age: 18-34 (ref=35-49)	-0.3827	0.1710	0.0253
Donor age: 50-64 (ref=35-49)	0.5102	0.2508	0.0419
Donor female	-0.0478	0.1096	0.6630
Donor: cadaveric COD CNS tumor (ref=COD Head trauma)	0.5702	0.4184	0.1729
Donor: cadaveric COD anoxia (ref=COD Head trauma)	0.0776	0.2001	0.6983
Donor: cadaveric COD cerebrovascular/stroke (ref=COD Head trauma)	0.1915	0.1305	0.1424
Donor: cadaveric COD other (ref=COD Head trauma)	0.0003	0.3267	0.9992
HLA mismatch: 0 mismatch (ref=3.5 mismatch)	-0.2090	0.5176	0.6863
HLA mismatch: linear ** (ref=3.5 mismatch)	0.1693	0.0813	0.0372
HLA mismatch: missing (ref=3.5 mismatch)	-11.8527	498.4222	0.9810
Recipient age: 18-34 (ref=35-49)	0.0690	0.1192	0.5627
Recipient age: 50-64 (ref=35-49)	0.0101	0.1740	0.9538
Recipient age: 65+ (ref=35-49)	-11.2281	351.5785	0.9745
Years since onset of DM: 0-19 (ref=25-29)	-0.0225	0.1647	0.8915
Years since onset of DM: 20-24 (ref=25-29)	-0.0145	0.1487	0.9223
Years since onset of DM: 30+ (ref=25-29)	0.0813	0.1458	0.5773
Years since onset of DM: missing (ref=25-29)	0.3857	0.1815	0.0336
Donor age by HLA mismatch interaction: 0-17 and 0 mismatch (ref=35-49 and 3.5 mismatch)	-0.1323	0.8931	0.8823
Donor age by HLA mismatch interaction: 0-17 and mismatch (ref=35-49 and 3.5 mismatch)	0.1040	0.1325	0.4325
Donor age by HLA mismatch interaction: 18-34 and 0 mismatch (ref=35-49 and 3.5 mismatch)	0.4677	0.6162	0.4478
Donor age by HLA mismatch interaction: 18-34 and mismatch (ref=35-49 and 3.5 mismatch)	-0.0458	0.1085	0.6729
Donor age by HLA mismatch interaction: 18-34 and mismatch missing (ref=35-49 and 3.5 mismatch)	13.2095	498.4232	0.9789
Donor age by HLA mismatch interaction: 50-64 and 0 mismatch (ref=35-49 and 3.5 mismatch)	-0.5529	1.1499	0.6306
Donor age by HLA mismatch interaction: 50-64 and mismatch (ref=35-49 and 3.5 mismatch)	-0.2819	0.1680	0.0934



** HLA is centered on 3.5.

Patient Survival Model Description
1 Month after First Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

97.6% alive at 1 Month when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

HLA mismatch: 0 mismatch (ref=3.5 mismatch)	-14.0548	905.9987	0.9876
HLA mismatch: linear ** (ref=3.5 mismatch)	-0.0191	0.1672	0.9092
HLA mismatch: missing (ref=3.5 mismatch)	-14.5725	7671.7170	0.9985
Recipient age: 18-34 (ref=35-49)	-0.1485	0.4753	0.7546
Recipient age: 50-64 (ref=35-49)	-0.1072	0.5532	0.8463
Recipient age: 65+ (ref=35-49)	-13.9080	5599.1712	0.9980
Year of ESRD treatment: missing (ref=years 3-5)	-14.9082	6521.0242	0.9982
Year of ESRD treatment: year 1 (ref=years 3-5)	-1.6666	0.6365	0.0088
Year of ESRD treatment: year 2 (ref=years 3-5)	-0.6714	0.4633	0.1473
Year of ESRD treatment: years 6+ (ref=years 3-5)	0.4604	0.5702	0.4194



** HLA is centered on 3.5.

Patient Survival Model Description
1 Year after First Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

92.9% alive at 1 Year when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

Recipient age: 18-34 (ref=35-49)	-0.2431	0.2466	0.3243
Recipient age: 50-64 (ref=35-49)	0.2306	0.2497	0.3556
Recipient age: 65+ (ref=35-49)	-9.9667	361.8651	0.9780
Year of ESRD treatment: missing (ref=years 3-5)	1.8097	1.0130	0.0740
Year of ESRD treatment: year 1 (ref=years 3-5)	-0.7692	0.2530	0.0024
Year of ESRD treatment: year 2 (ref=years 3-5)	-0.4026	0.2384	0.0912
Year of ESRD treatment: years 6+ (ref=years 3-5)	0.4833	0.3161	0.1263



** HLA is centered on 3.5.

Patient Survival Model Description
3 Years after First Transplant
Organ: Kidney / Pancreas
Adult (Age 18+)

87.9% alive at 3 Years when all covariates=0.
Patient Characteristic Covariates	beta	standard error	p-value

Recipient age: 18-34 (ref=35-49)	-0.1548	0.1942	0.4255
Recipient age: 50-64 (ref=35-49)	0.1442	0.2374	0.5436
Recipient age: 65+ (ref=35-49)	-11.1920	579.4835	0.9846
Recipient female	-0.0591	0.1520	0.6972
Year of ESRD treatment: missing (ref=years 3-5)	-11.3930	408.3106	0.9777
Year of ESRD treatment: year 1 (ref=years 3-5)	-0.8196	0.1846	<0.0001
Year of ESRD treatment: year 2 (ref=years 3-5)	-0.3689	0.1907	0.0531
Year of ESRD treatment: years 6+ (ref=years 3-5)	0.3340	0.2716	0.2187
Years since onset of DM: 0-19 (ref=25-29)	-0.1308	0.2846	0.6457
Years since onset of DM: 20-24 (ref=25-29)	0.1542	0.2348	0.5114
Years since onset of DM: 30+ (ref=25-29)	0.4122	0.2224	0.0638
Years since onset of DM: missing (ref=25-29)	0.7973	0.2606	0.0022



** HLA is centered on 3.5.

Analytic Conventions | Data Requests | Publications

Site designed and maintained by Diamond Bullet Design & URREA.