General characteristics of the included children with both pCRT and cCRT measured (CRT group) and excluded children missing either or both measures
| Characteristic | CRT group | Excluded children |
|---|---|---|
| Age | n=1193 | n=800 |
| Median (IQR) | 1.67 (0.83–3.70) | 2.12 (1.03–4.13) |
| 0–3 months | 43 (3.6) | 33 (4.1) |
| 3–6 months | 96 (8.0) | 50 (6.2) |
| 6–12 months | 230 (19.3) | 110 (13.8) |
| 1–5 years | 609 (51.0) | 452 (56.5) |
| >5 years | 215 (18.0) | 155 (19.4) |
| Gender | n=1193 | n=800 |
| Male | 658 (55.2) | 436 (54.5) |
| MTS category | n=1184 | n=779 |
| Very urgent/emergent | 331 (28.0) | 208 (26.7) |
| Urgent | 639 (54.0) | 365 (46.9) |
| Non-urgent/standard | 214 (18.1) | 206 (26.4) |
| Non-SBI | n=1193 | n=800 |
| Non-SBI | 1055 (88.4) | 708 (88.5) |
| Upper respiratory tract infection | 558 (46.8) | 352 (44.0) |
| Lower respiratory tract infection | 98 (8.2) | 47 (5.9) |
| Gastroenteritis | 139 (11.7) | 98 (12.3) |
| Other* | 260 (21.8) | 211 (26.4) |
| SBI | n=1193 | n=800 |
| SBI present | 138 (11.6) | 92 (11.5) |
| Pneumonia | 66 (5.5) | 41 (5.1) |
| Urinary tract infection | 40 (3.4) | 17 (2.1) |
| Sepsis/meningitis | 6 (0.5) | 7 (0.9) |
| Other† | 26 (2.2) | 27 (3.4) |
| Body temperature | n=1175 | n=365 |
| Mean °C (95% CI) | 38.8 (38.7 to 38.8) | 38.7 (38.5 to 38.8) |
| Peripheral CRT (pCRT) (%) | n=1193 | n=56 |
| ≤2 s | 1040 (87.2) | 46 (82.1) |
| >2–≤4 s | 144 (12.1) | 10 (17.9) |
| >4 s | 9 (0.8) | 0 (0) |
| Central CRT (cCRT) (%) | n=1193 | n=9 |
| ≤2 s | 1138 (95.4) | 6 (66.7) |
| >2–≤4 s | 54 (4.5) | 3 (33.3) |
| >4 s | 1 (0.1) | 0 (0) |
Values are numbers and (percentages) unless stated otherwise.
*Other non-SBI infections: for example, influenza, stomatitis, viral exanthema, viral meningitis.
†‘Other SBI’: for example, abscess, bacterial gastroenteritis, ethmoiditis, erysipelas, cellulitis, septic arthritis.
CRT, capillary refill time; MTS, Manchester Triage System; SBI, serious bacterial infection.