Table 1.

Characteristics of admitted patients for whom case records were retrieved and care evaluated

Characteristic	Head injury	Chest injury	Acute abdomen	Long‐bone fractures	Burns	Overall
	N = 178	N = 136	N = 220	N = 237	N = 185	N = 956
Referrals	28/178 (15.7) [10.2–23.4]	15/136 (11.0) [6.2–19.0]	31/220 (14.1) [8.2–23.1]	31/237 (13.1) [8.2–20.2]	19/185 (10.3) [5.8–17.5]	124/956 (13.0) [9.0–18.4]
Date of admission recorded	176/178 (98.9) [95.4–99.7]	130/136 (95.6) [82.7–99.0]	216/220 (98.2) [95.0–99.3]	228/237 (96.2) [90.1–98.6]	178/185 (96.2) [88.7–98.8]	928/956 (97.1) [91.8–99.0]
Sex (missing)	17/178 (9.6) [3.9–21.4]	9/136 (6.6) [2.1–19.0]	17/220 (7.7) [3.1–18.1]	17/237 (7.2) [2.7–17.8]	23/185 (12.4) [5.6–25.5]	83/956 (8.7) [4.0–18.0]
Sex (male)	131/161 (81.4) [68.8–89.6]	109/127 (85.8) [73.2–93.1]	125/203 (61.6) [48.0–73.5]	155/220 (70.5) [57.4–80.8]	88/162 (54.3) [42.8–65.4]	608/873 (69.6) [61.3–76.9]
Age categories (years)
Missing	30/178 (16.9) [8.3–31.2]	23/136 (16.9) [6.9–36.0]	25/220 (11.4) [5.3–22.6]	31/237 (13.1) [5.4–28.4]	22/185 (11.9) [5.6–23.6]	131/956 (13.7) [6.8–25.6]
≤12.9	20/148 (13.5) [7.5–23.1]	3/113 (2.7) [0.9–7.3]	10/195 (5.1) [2.4–10.5]	24/206 (11.7) [6.6–19.7]	94/163 (57.7) [43.8–70.4]	151/825 (18.3) [13.4–24.4]
13–45.9	110/148 (74.3) [64.7–82.0]	81/113 (71.7) [63.6–78.6]	147/195 (75.4) [66.4–82.6]	109/206 (52.9) [43.5–62.1]	58/163 (35.6) [24.4–48.6]	505/825 (61.2) [55.6–66.5]
≥46	18/148 (12.2) [7.4–19.4]	29/113 (25.7) [18.3–34.7]	38/195 (19.5) [13.6–27.1]	73/206 (35.4) [27.2–44.7]	11/163 (6.7) [3.4–13.0]	169/825 (20.5) [17.1–24.4]
Age: median (IQR)	26.0 (20.0–36.5)	34.0 (25.0–46.0)	28.0 (22.0–41.0)	36.0 (25.0–54.0)	7.0 (2.0–27.0)	28.0 (19.0–41.0)
Outcome
Missing	11/178 (6.2) [2.5–14.6]	8/136 (5.9) [2.4–13.9]	11/220 (5.0) [2.7–9.1]	15/237 (6.3) [2.9–13.4]	11/185 (5.9) [2.7–12.7]	56/956 (5.9) [3.1–10.7]
Discharged	136/167 (81.4) [72.3–88.0]	114/128 (89.1) [79.8–94.4]	185/209 (88.5) [80.0–93.7]	195/222 (87.8) [75.2–94.5]	169/174 (97.1) [93.3–98.8]	799/900 (88.8) [83.6–92.4]
Absconded	2/167 (1.2) [0.3–4.9]	1/128 (0.8) [0.1–5.9]	1/209 (0.5) [0.1–3.6]	0/222 (0.0) [0.0]	1/174 (0.6) [0.1–4.7]	5/900 (0.6) [0.2–1.3]
Transferred/ referred	25/167 (15.0) [8.2–25.7]	12/128 (9.4) [4.5–18.6]	14/209 (6.7) [3.7–11.9]	27/222 (12.2) [5.5–24.8]	1/174 (0.6) [0.1–4.7]	79/900 (8.8) [5.5–13.8]
Dead	4/167 (2.4) [0.7–7.5]	1/128 (0.8) [0.1–6.2]	9/209 (4.3) [1.7–10.3]	0/222 (0.0) [0.0]	3/174 (1.7) [0.6–5.2]	17/900 (1.9) [0.9–3.9]
Time of admission recorded	47/178 (26.4) [13.9–44.4]	29/136 (21.3) [12.7–33.5]	41/220 (18.6) [9.9–32.4]	50/237 (21.1) [10.1–38.9]	41/185 (22.2) [10.2–41.6]	208/956 (21.8) [11.7–36.9]
Temperature recorded on admission	51/178 (28.7) [18.8–41.1]	40/135 (29.6) [16.0–48.3]	85/219 (38.8) [25.9–53.5]	73/237 (30.8) [19.0–45.8]	54/185 (29.2) [16.2–46.7]	303/954 (31.8) [21.5–44.2]
Clinician take and record respiratory rate	54/178 (30.3) [17.4–47.5]	35/135 (25.9) [12.8–45.6]	60/219 (27.4) [14.8–45.1]	60/236 (25.4) [14.1–41.5]	29/185 (15.7) [8.0–28.4]	238/953 (25.0) [14.6–39.2]
Clinician take and record pulse	63/178 (35.4) [21.3–52.6]	39/135 (28.9) [15.5–47.3]	71/219 (32.4) [19.1–49.3]	58/237 (24.5) [13.4–40.5]	32/185 (17.3) [9.0–30.7]	263/954 (27.6) [17.1–41.3]
Clinician take and record blood pressure	53/178 (29.8) [19.9–42.0]	39/135 (28.9) [17.2–44.3]	64/219 (29.2) [20.3–40.1]	54/237 (22.8) [13.7–35.5]	13/185 (7.0) [3.9–12.3]	223/954 (23.4) [16.9–31.4]
Booked for theatre at admission	6/178 (3.4) [1.1–10.0]	11/135 (8.1) [3.7–17.0]	66/219 (30.1) [19.9–42.8]	50/237 (21.1) [15.2–28.6]	10/185 (5.4) [2.8–10.3]	143/954 (15.0) [11.1–19.9]
Patient taken to theatre	6/178 (3.4) [0.9–11.5]	9/135 (6.7) [3.1–13.6]	84/220 (38.2) [27.3–50.5]	55/237 (23.2) [17.6–29.9]	17/185 (9.2) [5.5–15.0]	171/955 (17.9) [13.8–22.9]

Results presented include % in parentheses and 95% confidence intervals adjusted for clustering at hospital level in square brackets unless otherwise specified.