Table 2:

Analysis of rate of complications in patients who were admitted to hospital for pediatric surgery in Ontario, by potential confounding factors

CharacteristicRate of complications, %OR (95% CI)p value
Admission category0.2
 Elective4.28 1(ref)
 Emergent or urgent3.950.921 (0.820–1.035)
Age0.7
 Infant (29–364 d)4.381 (ref)
 Young children (1–7 yr)4.140.942 (0.743–1.193)
 Older children (8–17 yr)4.050.919 (0.734–1.149)
Sex0.2
 Female3.921 (ref)
 Male4.231.083 (0.961–1.221)
Neighbourhood income quintile0.3
 14.451 (ref)
 24.390.984 (0.819–1.183)
 33.950.882 (0.733–1.061)
 43.940.881 (0.736–1.055)
 53.810.850 (0.706–1.023)
Hospital type0.5
 Teaching4.031 (ref)
 Nonteaching4.191.042 (0.927–0.172)
Home location< 0.001
 Rural5.121 (ref)
 Urban3.940.759 (0.650–0.886)
  • Note: CI = confidence interval, OR = odds ratio, ref = reference group.