| Surgical wound infectiona | Physiologic/metabolic derangement | Postoperative cardiopulmonary complications |
---|---|---|---|
No. of events | 225 | 163 | 124 |
No. in risk pool | 21592 | 17980 | 15322 |
 | Rate ratio | Rate ratio | Rate ratio |
(95% CI) | (95% CI) | (95% CI) | |
Age category | Â | Â | Â |
 1-28 days (neonate) | 0.87 | 0.12 | 0.55 |
(0.47, 1.62) | (0.04, 0.35) | (0.28, 1.07) | |
 29-365 days (infant) | 1.33 | 4.04 | 1.20 |
(0.82, 2.15) | (2.32, 7.05) | (0.64, 2.25) | |
 > 1–3 years (toddler) | 0.96 | 2.45 | 1.81 |
(0.57, 1.60) | (1.22, 4.91) | (1.01, 3.26) | |
 > 3–6 years (preschooler) | 0.98 | 1.29 | 0.47 |
(0.57, 1.68) | (0.55, 3.02) | (0.18, 1.23) | |
 > 6-13 years (school-age) | 0.84 | 1.95 | 0.94 |
(0.58, 1.23) | (1.11, 3.43) | (0.57, 1.55) | |
 > 13- ≤ 18 years (adolescent) | 1 | 1 | 1 |
Sex | Â | Â | Â |
 Male | 0.77 | 1.65 | 1.21 |
(0.59, 1.02) | (1.17, 2.33) | (0.83, 1.76) | |
 Female | 1 | 1 | 1 |
Socioeconomic status (IRSD) | Â | Â | Â |
 Least disadvantaged | 1.13 | 0.90 | 0.70 |
(0.85, 1.50) | (0.65, 1.25) | (0.48, 1.03) | |
 Most disadvantaged | 1 | 1 | 1 |
Residence (ARIA+) | Â | Â | Â |
 Major city | 1.19 | 1.06 | 1.00 |
(0.87, 1.63) | (0.74, 1.52) | (0.67, 1.50) | |
 Regional or remote | 1 | 1 | 1 |
Admission type | Â | Â | Â |
 Emergency | 7.78 | 3.46 | 0.38 |
(5.10, 11.86) | (2.32, 5.18) | (0.26, 0.55) | |
 Elective | 1 | 1 | 1 |
Season | Â | Â | Â |
 Autumn | 1.14 | 0.74 | 1.02 |
(0.77, 1.69) | (0.48, 1.15) | (0.61, 1.73) | |
 Winter | 1.09 | 0.65 | 1.27 |
(0.73, 1.64) | (0.42, 1.03) | (0.77, 2.09) | |
 Spring | 1.09 | 0.90 | 0.87 |
(0.73, 1.64) | (0.58, 1.42) | (0.50, 1.52) | |
 Summer | 1 | 1 | 1 |