From: Predicting the risk of a clinical event using longitudinal data: the generalized landmark analysis
 | All Follow-up | Baseline | CKD Stage 1-2 | CKD Stage 3 | CKD Stage 4-5 |
---|---|---|---|---|---|
No. (%) Patients | 3939 (100%) | 3939 (100%) | 1028 (15.0%) | 3168 (66.5%) | 1917 (18.5%) |
No. Visits | 28638 | 3939 | 4904 | 17388 | 6346 |
eGFRa | 43.9 (17.0) | 44.3 (15.0) | 70.5 (9.36) | 44.4 (8.33) | 22.2 (5.57) |
log UP/CR a | -1.63 (1.48) | -1.49 (1.64) | -2.39 (1.05) | -1.81 (1.35) | -0.54 (1.50) |
Age a | 62.7 (11.0) | 57.7 (11.0) | 57.4 (11.2) | 63.9 (10.4) | 63.4 (11.3) |
Age b | 62.7 (11.0) | 57.7 (11.0) | 55.5 (11.6) | 58.7 (10.5) | 60.8 (11.4) |
Sex b | Â | Â | Â | Â | Â |
   Female | 1778 (45.1%) | 1778 (45.1%) | 452 (44.0%) | 1407 (44.4%) | 861 (44.9%) |
   Male | 2161 (54.9%) | 2161 (54.9%) | 576 (56.0%) | 1761 (55.6%) | 1056 (55.1%) |
Age groups b | Â | Â | Â | Â | Â |
   < 40 | 317 (8.05%) | 317 (8.05%) | 119 (11.6%) | 203 (6.41%) | 106 (5.53%) |
   [40,50) | 493 (12.5%) | 493 (12.5%) | 159 (15.5%) | 347 (11.0%) | 206 (10.7%) |
   [50,60) | 1169 (29.7%) | 1169 (29.7%) | 326 (31.7%) | 900 (28.4%) | 458 (23.9%) |
   [60,70) | 1433 (36.4%) | 1433 (36.4%) | 326 (31.7%) | 1257 (39.7%) | 679 (35.4%) |
   \(\geqslant 70\) | 527 (13.4%) | 527 (13.4%) | 98 (9.53%) | 461 (14.6%) | 468 (24.4%) |
Time to event c | 11.3 (3.80) | 8.84 (4.85) | 12.9 (2.37) | 11.7 (3.48) | 8.61 (4.22) |