Table 1 Characteristics of patients in the four groups
From: The impacts of infectious complications on outcomes in acute pancreatitis: a retrospective study
|  | Sterile group (n = 148) | Pancreatic infection group (n = 65) | Extrapancreatic infection group (n = 22) | Combined infection group (n = 50) | Total (n = 285) | P* |
|---|---|---|---|---|---|---|
Age [year, mean ± SD] | 45.79 ± 14.95 | 47.94 ± 14.62 | 51.00 ± 16.72 | 48.16 ± 16.50 | 47.10 ± 15.29 | 0.401 |
Gender [n(%)] | ||||||
 Male | 92(62.2) | 42(64.6) | 15(68.2) | 33(66.0) | 182(63.9) | 0.924 |
 Female | 56(37.8) | 23(35.4) | 7(31.8) | 17(34.0) | 103(36.1) |  |
BMI [kg/m2, mean ± SD] | 26.18 ± 4.10bc | 24.77 ± 3.57a | 23.72 ± 4.75ad | 26.28 ± 4.39c | 25.69 ± 4.16 | 0.010 |
Etiology [n(%)] | ||||||
 Gallstones | 51(34.5) | 31(47.7) | 13(59.1) | 20(40.0) | 115(40.3) | 0.551 |
 Hyperlipidemia | 54(36.5) | 15(23.1) | 5(22.7) | 16(32.0) | 90(31.6) |  |
 Alcohol abuse | 19(12.8) | 6(9.2) | 1(4.6) | 7(14.0) | 33(11.6) |  |
 ERCP | 1(0.7) | 1(1.5) | 0(0.0) | 1(2.0) | 3(1.1) |  |
 Other | 23(15.5) | 12(18.5) | 3(13.6) | 6(12.0) | 44(15.4) |  |
Previous pancreatitis [n(%)] | 44(29.7) | 15(23.1) | 3(13.6) | 12(24.0) | 74(26.0) | 0.360 |
Diabetes [n(%)] | 55(37.2) | 22(33.8) | 5(22.7) | 19(38.0) | 101(35.4) | 0.580 |
Transfer[n(%)] | 65(43.9) | 27(41.5) | 9(40.9) | 21(42.0) | 122(42.8) | 0.983 |
Disease severity | ||||||
 APACHE II scores [mean ± SD] | 7.27 ± 4.96cd | 6.57 ± 4.20cd | 9.91 ± 4.65ab | 9.46 ± 5.05ab | 7.70 ± 4.90 | 0.001 |
 SIRS [n(%)] | 87(58.8) | 30(46.2) | 13(59.1) | 35(70.0) | 165(57.9) | 0.081 |
 Organ failure [n(%)] | 23(15.5)cd | 16(24.6)d | 9(40.9)a | 25(50)ab | 73(9.8) | < 0.001 |