Table 1 Incidence of first hospitalization for pyelonephritis in renal transplant recipients
From: Risk and outcome of pyelonephritis among renal transplant recipients
Characteristic | Pyelonephritis Hospitalizations, No.a | Person-Years Follow up | IR (95 % Cl) | IRR (95 % Cl) | P * Value |
|---|---|---|---|---|---|
Entire study period (1990–09) | |||||
Renal transplant recipients | 261 | 14,121 | 18.5 (16.4–20.9) | 772.0 (57.8–89.7) | <.001 |
Population controls | 115 | 447,976 | 0.26 (0.21–0.31) | ||
1990–1994: | |||||
Renal transplant recipients | 35 | 1,175 | 30.0 (21.0–42.0) | 841 (115–-6138) | <.001 |
Population controls | 1 | 28,218 | 0.04 (0.01─0.25) | ||
1995–1999: | |||||
Renal transplant recipients | 67 | 2,974 | 23.0 (18.0–29.0) | 178 (94.1–337) | <.0001 |
Population controls | 11 | 86,904 | 0.13 (0.07–0.23) | ||
2000–2004: | |||||
Renal transplant recipients | 81 | 4,242 | 19.0 (15.0–24.0 | 75.6 (50.8–112) | <.0001 |
Population controls | 35 | 138,543 | 0.25 (0.18–0.35) | ||
2005–2009: | |||||
Renal transplant recipients | 78 | 5,731 | 14.0 (11.0–17.0) | 38.9 (28.1–53.8) | <.0001 |
Population controls | 68 | 194,311 | 0.35 (0.28–0.44) | ||
Male: | |||||
Renal transplant recipients | 122 | 9,373 | 13.0 (10.9–15.5) | 69.4(50.3–95.8) | <.0001 |
Population controls | 53 | 282,662.3 | 0.19 (0.14–0.25) | ||
Female: | |||||
Renal transplant recipients | 139 | 4,747.2 | 29.3(24.8–34.6) | 78.1(57.9–105) | <.0001 |
Population controls | 62 | 165,314.9 | 0.38(0.29─0.48) | ||
<50 years | |||||
Renal transplant recipients | 140 | 7,696 | 18.2(15.4–21.5) | 117 (79.8–170) | <.0001 |
Population controls | 33 | 211,410 | 0.16(0.11–0.22) | ||
50–65 years: | |||||
Renal transplant recipients | 98 | 5,235 | 18.7(15.4–22.8) | 81.7 (56.8–118) | <.0001 |
Population controls | 41 | 178,960 | 0.23(0.17–0.31) | ||
65 + years: | |||||
Renal transplant recipients | 23 | 1,190 | 19.3(12.8–29.1) | 127.2 (16.3–45.2) | <.0001 |
Population controls | 41 | 57,607 | 0.71(0.52–0.97) | ||