Skip to main content

Table 1 Baseline characteristics

From: The volume-outcome relationship among severely injured patients admitted to English major trauma centres: a registry study

 

Total

N = 47,157

Tertile 1,

volume ≤ 490,

N = 16,280

Tertile 2,

volume 491–574, N = 15,573

Tertile 3,

volume > 574,

N = 15,304

Number of MTCs

28

14

8

6

Age

53 (32–74)

56 (36–76)

52 (31–72)

53 (31–73)

Male

33,072 (70.1%)

11,224 (68.9%)

11,056 (71.0%)

10,792 (70.5%)

Penetrating injury

1364 (2.9%)

404 (2.5%)

543 (3.5%)

417 (2.7%)

ISS

25 (17–29)

25 (17–27)

25 (18–29)

25 (18–29)

NISS

34 (25–50)

34 (25–50)

34 (26–50)

34 (26–50)

GCS at arrival Emergency Department

15 (14–15)

15 (13–15)

15 (14–15)

15 (14–15)

Charlson Comorbidity Index

0 (0–3)

0 (0–4)

0 (0–3)

0 (0–4)

Intubation at Emergency Department

12,256 (26.0%)

3837 (23.6%)

4313 (27.7%)

4106 (26.8%)

Hypovolemic shock at Emergency Department (SBP < 90 mmHg)

8662 (18.4%)

2757 (16.9%)

3203 (20.6%)

2702 (17.7%)

AIS head ≥3

30,258 (64.2%)

10,409 (63.9%)

9822 (63.1%)

10,027 (65.5%)

RTS

7.84 (7.6–7.84)

7.8 (7.6–7.84)

7.8 (7.6–7.84)

7.8 (7.8–7.84)

Referred patients

15,118 (32.1%)

5194 (31.9%)

4577 (29.4%)

5347 (34.9%)

Length of Stay

10 (5–21)

10 (5–20)

11 (5–21)

10 (5–22)

Critical Care Length of Stay

0 (0–3)

0 (0–3)

0 (0–4)

0 (0–3)

In-hospital mortality

5876 (12.5%)

2047 (12.6%)

1937 (12.4%)

1892 (12.4%)

  1. Continuous: median (IQR), categorical: N (%), New Injury Severity Score (NISS), Injury Severity Score (ISS), Abbreviated Injury Scale (AIS), Revised Trauma Score (RTS), Glasgow Coma Score (GSC)