Table 2. Outcomes of the study patients after propensity-score matching.
| APD vs. CAPD outcomes | APD |
CAPD |
||||||
|---|---|---|---|---|---|---|---|---|
| No. of events | Exposure time, patient-month | Events/1000 patient-years | No. of events | Exposure time, patient-month | Events/1000 patient-years | RR | 95% CI | |
| 2001–2010 (n = 2,287) | ||||||||
| All-cause mortality | 514 | 69,151 | 89.2 | 470 | 73,487 | 76.7 | 1.16 | 1.03–1.32 |
| Technique failure | 354 | 69,151 | 61.4 | 334 | 73,487 | 54.5 | 1.13 | 0.97–1.31 |
| Events of peritonitis | 1,015 | 69,151 | 176.1 | 1,204 | 73,487 | 196.6 | 0.90 | 0.82–0.97 |
| Kidney transplant | 197 | 69,151 | 34.2 | 156 | 73,487 | 25.5 | 1.34 | 1.09–1.65 |
| 2001–2004 (n = 400) | ||||||||
| All-cause mortality | 122 | 14,725 | 99.4 | 115 | 15390 | 89.7 | 1.11 | 0.86–1.43 |
| Technique failure | 72 | 14,725 | 58.7 | 102 | 15390 | 79.5 | 0.74 | 0.55–0.99 |
| Events of peritonitis | 237 | 14,725 | 193.1 | 307 | 15390 | 239.4 | 0.81 | 0.68–0.96 |
| Kidney transplant | 83 | 14,725 | 67.6 | 47 | 15,390 | 36.6 | 1.85 | 1.29–2.65 |
| 2005–2007 (n = 608) | ||||||||
| All-cause mortality | 182 | 22,826 | 95.7 | 151 | 26,155 | 69.3 | 1.38 | 1.11–1.71 |
| Technique failure | 130 | 22,826 | 68.3 | 97 | 26,155 | 44.5 | 1.54 | 1.18–2.00 |
| Events of peritonitis | 365 | 22,826 | 191.9 | 389 | 26,155 | 178.5 | 1.08 | 0.93–1.24 |
| Kidney transplant | 65 | 22,826 | 34.2 | 53 | 26,155 | 24.3 | 1.41 | 0.98–2.03 |
| 2008–2010 (n = 1,279) | ||||||||
| All-cause mortality | 210 | 31,600 | 79.7 | 204 | 31,942 | 76.6 | 1.04 | 0.86–1.26 |
| Technique failure | 152 | 31,600 | 57.7 | 135 | 31,942 | 50.7 | 1.14 | 0.90–1.44 |
| Events of peritonitis | 413 | 31,600 | 156.8 | 508 | 31,942 | 190.8 | 0.82 | 0.72–0.94 |
| Kidney transplant | 49 | 31,600 | 18.6 | 56 | 31,942 | 21.0 | 0.89 | 0.61–1.31 |
Abbreviations: APD, automatic peritoneal dialysis; CAPD, continuous ambulatory peritoneal dialysis; CI, confidence interval; HD, hemodialysis; RR, rate ratio.