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Table 1 Characteristics of the children and transports included in the primary analysis (n = 9116)

From: Does time taken by paediatric critical care transport teams to reach the bedside of critically ill children affect survival? A retrospective cohort study from England and Wales

Characteristic

Total

Arrived at the bedside in ≤ 60 min (n = 2654)

Arrived at the bedside in 61 to 180 min (n = 5271)

Arrived at the bedside in 181+ minutes (n = 1191)

Age, n (%)

  < 1 year

4669 (51.2)

1371 (51.7)

2685 (50.9)

613 (51.5)

 1 to < 5 years

2438 (26.7)

682 (25.7)

1437 (27.3)

319 (26.8)

 5 to < 11 years

1174 (12.9)

344 (13.0)

679 (12.9)

151 (12.7)

 11 to < 16 years

835 (9.2)

257 (9.7)

470 (8.9)

108 (9.1)

Sex of child, n (%)

 Male

5183 (56.9)

1552 (58.5)

2962 (56.2)

669 (56.2)

 Female

3932 (43.1)

1102 (41.5)

2308 (43.8)

522 (43.8)

 Unknown

1 (< 0.5)

0

1 (< 0.1)

0

PIM2 score, n (%)

  < 1%

1039 (11.4)

314 (11.8)

625 (11.9)

100 (8.4)

 1 to < 5%

4089 (44.9)

1104 (41.6)

2409 (45.7)

576 (48.4)

 5 to < 15%

2985 (32.7)

845 (31.8)

1710 (32.4)

430 (36.1)

 15 to < 30%

579 (6.4)

220 (8.3)

305 (5.8)

54 (4.5)

 30 + %

424 (4.7)

171 (6.4)

222 (4.2)

31 (2.6)

Length of stay in PICU (days), median (10th, 90th)

5 (2, 14)

5 (2, 15)

5 (2, 14)

5 (2, 15)

Length of stay in PICU (days), mean (standard deviation)

7.5 (13.2)

7.5 (15.1)

7.4 (11.6)

8.2 (15.2)

Child received multiple transports during the time window of DEPICT, n (%)

775 (8.5)

206 (7.8)

459 (8.7)

110 (9.2)

Parent accompanied the child in the ambulance

 Yes

6974 (76.5)

2188 (82.4)

3966 (75.2)

820 (68.9)

 No, parent not present

432 (4.7)

135 (5.1)

237 (4.5)

60 (5.0)

 No, parent declined to accompany

1150 (12.6)

233 (8.8)

713 (13.5)

204 (17.1)

 No, parent not permitted to accompany

385 (4.2)

41 (1.5)

259 (4.9)

85 (7.1)

 Unknown

175 (1.9)

57 (2.2)

96 (1.8)

22 (1.9)

Collection area, n (%)

 PICU

259 (2.8)

88 (3.3)

127 (2.4)

44 (3.7)

 GICU

731 (8.0)

45 (1.7)

430 (8.2)

256 (21.5)

 NICU

822 (9.0)

332 (12.5)

374 (7.1)

116 (9.7)

 Theatre/Recovery and Theatre

1978 (21.7)

392 (14.8)

1328 (25.2)

258 (21.7)

 X-ray/CT/Endoscopy/A&E

2773 (30.4)

1084 (40.8)

1464 (27.8)

225 (18.9)

 Ward/HDU/Other intermediate area

2536 (27.8)

710 (26.8)

1539 (29.2)

287 (24.1)

 Other/unknown

17 (0.2)

3 (0.1)

9 (0.2)

5 (0.4)

Diagnostic group, n (%)

 Respiratory

4355 (47.8)

1102 (41.5)

2591 (49.2)

662 (55.6)

 Cardiovascular

1310 (14.4)

477 (18.0)

681 (12.9)

152 (12.8)

 Endocrine

219 (2.4)

65 (2.5)

133 (2.5)

21 (1.8)

 Haem/oncology

153 (1.7)

56 (2.1)

78 (1.5)

19 (1.6)

 Infection

820 (9.0)

261 (9.8)

484 (9.2)

75 (6.3)

 Neurological

1505 (16.5)

403 (15.2)

907 (17.2)

195 (16.4)

 Trauma & accidents

338 (3.7)

121 (4.6)

184 (3.5)

33 (2.8)

 Other

416 (4.6)

169 (6.4)

213 (4.0)

34 (2.9)

Ventilated at time of referral call, n (%)

 Yes

3814 (41.8)

1129 (42.5)

2109 (40.0)

576 (48.6)

 No (not indicated)

2886 (31.7)

911 (34.3)

1652 (31.1)

323 (27.1)

 No (advised to intubate)

2416 (26.5)

614 (23.1)

1510 (28.7)

292 (24.5)

Size of acute hospital (based on transport requests in DEPICT time window), n (%)

 Small (< 50 requests)

2274 (25.0)

635 (23.9)

1308 (24.8)

331 (27.8)

 Medium (50- < 100 requests)

3802 (41.7)

1118 (42.1)

2129 (40.1)

555 (46.6)

 Large (100+ requests)

3040 (33.4)

901 (34.0)

1834 (34.8)

305 (25.6)

Receiving care in a critical care setting at collection organisation, n (%)

 Yes

1951 (21.4)

479 (18.1)

1022 (19.4)

450 (37.8)

 No

7165 (78.6)

2175 (82.0)

4249 (80.6)

741 (62.2)

Mortality, n (%)

 Died within two days of admission

278 (3.1)

105 (4.0)

153 (2.9)

20 (1.7)

 Died in PICU

571 (6.3)

200 (7.5)

316 (6.0)

55 (4.6)

 Died within 30 days of admission

645 (7.1)

226 (8.5)

357 (6.8)

62 (5.2)

 Died within one year of admission

949 (10.4)

331 (12.5)

520 (9.9)

98 (8.2)