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Table 2 Characteristics of patients at baseline (6 month post-transplantation), and 1-, 2-, 3-, and 4-year after renal transplantation. Wisconsin Allograft Recipient Database

From: Predicting the risk of a clinical event using longitudinal data: the generalized landmark analysis

 

Baseline

1 Year

2 Year

3 Year

4 Year

No. Patients

3893

3154

2525

2012

1668

eGFR

55.6 (18.6)

54.9 (18.6)

56.9 (19.8)

56.6 (20.2)

56.1 (19.8)

Age

51.6 (12.9)

52.4 (12.8)

53.5 (12.6)

54.6 (12.6)

55.1 (12.6)

Number of acute rejections in the past (at most) 12 months:

   0

3237 (83.1%)

2542 (80.6%)

2404 (95.2%)

1958 (97.3%)

1632 (97.8%)

   \(\ge\)1

656 (16.9%)

612 (19.4%)

121 (4.79%)

54 (2.68%)

36 (2.16%)

Number of chronic rejections in the past (at most) 12 months:

   0

3 (0.08%)

12 (0.38%)

9 (0.36%)

11 (0.55%)

6 (0.36%)

   \(\ge\)1

3237 (83.1%)

2542 (80.6%)

2404 (95.2%)

1958 (97.3%)

1632 (97.8%)

Number of hospitalization in the past (at most) 12 months:

   0

2372 (60.9%)

1765 (56.0%)

1972 (78.1%)

1664 (82.7%)

1402 (84.1%)

   \(\ge\)1

1521 (39.1%)

1389 (44.0%)

553 (21.9%)

348 (17.3%)

266 (15.9%)

Status of Donor:

     

   Deceased

2365 (60.8%)

1885 (59.8%)

1480 (58.6%)

1170 (58.2%)

941 (56.4%)

   Living

1528 (39.2%)

1269 (40.2%)

1045 (41.4%)

842 (41.8%)

727 (43.6%)

Time to event a

69.7 (50.2)

69.8 (48.8)

66.8 (46.1)

62.9 (43.4)

58.7 (40.6)

  1. aThis is the mean (standard deviation) of residual follow-up time in months, averaged over clinic visits