| No disability at discharge (n = 385) | Disability at discharge (n = 173) | Univariable odds ratio for disability (95% CI) | P | Multivariable odds ratio for disability (95% CI) | P |
---|---|---|---|---|---|---|
Sex | ||||||
 Male | 196/385 (51%) | 90/173 (52%) | Reference |  |  |  |
 Female | 189/385 (49%) | 83/173 (48%) | 1.0 (0.7–1.4) | 0.81 | NA | |
Age | ||||||
 29 days–12 months (infants) | 145/385 (38%) | 38/173 (22%) | Reference |  |  |  |
 1–5 years (toddlers) | 135/385 (35%) | 70/173 (41%) | 2.0 (1.3–3.1) | < 0.01 | 1.8 (0.8–4.1) | 0.14 |
 5–12 years (school-aged children) | 55/385 (14%) | 39/173 (23%) | 2.7 (1.6–4.7) | < 0.001 | 2.6 (1.0–7.0) | 0.05 |
 12–18 years (adolescents) | 50/385 (13%) | 26/173 (15%) | 2.0 (1.1–3.6) | 0.02 | 2.0 (0.7–6.0) | 0.20 |
Time interval from onset of symptoms to hospital admissiona (days) | 1 (1–3) | 1 (1–3) | 1.0 (0.9–1.0) | 0.16 | 0.9 (0.9–1.0) | 0.07 |
Immunizations up to date | ||||||
 No | 29/334 (9%) | 17/157 (11%) | Reference |  |  |  |
 Yes | 305/334 (91%) | 140/157 (89%) | 0.8 (0.4–1.5) | 0.45 | NA | |
Underlying condition | ||||||
 No | 266/385 (69%) | 83/173 (48%) | Reference |  |  |  |
 Yes | 119/385 (31%) | 90/173 (52%) | 2.4 (1.7–3.5) | < 0.001 | 1.9 (0.9–3.6) | 0.08 |
Illness severity | ||||||
 PRISM score | 12 (6–19) | 16 (11–23) | 1.1 (1.0–1.1) | < 0.001 | NA |  |
 PIM2 scoreb (predicted death, %) | 3.1 (0.9–7.1) | 6.8 (2.3–17.2) | 2.7 (1.9–3.9) | < 0.001 | 3.4 (1.8–6.4) | < 0.001 |
 Lactate at PICU admissionc (mmol/L) | 1.6 (1.0–3.2) | 2.3 (1.2–4.5) | 2.0 (1.0–3.8) | 0.04 | NA |  |
 Invasive ventilation | 242/370 (65%) | 139/167 (83%) | 2.6 (1.7–4.2) | < 0.001 | NA | |
 Inotropes | 196/365 (54%) | 112/166 (68%) | 1.8 (1.2–2.6) | < 0.01 | NA | |
Bacteremia | ||||||
 No | 262/385 (68%) | 112/173 (65%) | Reference |  |  |  |
 Yes | 123/385 (32%) | 61/173 (35%) | 1.2 (0.8–1.7) | 0.44 | NA | |
Clinical syndromes | ||||||
 No focus | 146/385 (38%) | 48/173 (28%) | 0.6 (0.4–0.9) | 0.02 | 0.9 (0.3–2.4) | 0.83 |
 Meningitis/encephalitis | 74/385 (19%) | 49/173 (28%) | 1.7 (1.1–2.5) | 0.02 | 1.0 (0.3–3.2) | 0.95 |
 Pneumonia | 57/385 (15%) | 49/173 (28%) | 2.3 (1.5–3.5) | < 0.001 | 1.2 (0.4–3.8) | 0.73 |
 Other focus | 108/385 (28%) | 27/173 (16%) | 0.5 (0.3–0.8) | < 0.01 | 1.0 (0.3–3.0) | 0.96 |
Invasive pathogens | ||||||
 N. meningitidis | 81/177 (45%) | 18/87 (21%) | 0.3 (0.2–0.6) | < 0.001 | 0.5 (0.2–1.3) | 0.16 |
 S. pneumoniae | 12/177 (7%) | 27/87 (31%) | 6.3 (3.0–13.2) | < 0.001 | 5.4 (1.8–15.8) | < 0.01 |
 Group A streptococcus | 31/177 (18%) | 15/87 (17%) | 1.0 (0.5–2.0) | 1.0 | NA |  |
 S. aureus | 16/177 (9%) | 11/87 (13%) | 1.5 (0.7–3.4) | 0.34 | NA | |
 Other invasive pathogen | 37/177 (21%) | 16/87 (18%) | 0.9 (0.4–1.6) | 0.63 | NA |