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Table 1 Comparison of baseline characteristics of patients with TBI according to in-hospital mortality within 48 h

From: Role of electrocardiogram findings in predicting 48-h mortality in patients with traumatic brain injury

Variables

Patients with TBI (N = 1024)

Survivors (n = 935)

Nonsurvivors (n = 89)

P

Age, years

63.1 (52.0–74.0)

63.1 (52.0–74.0)

67.0 (53.1–76.5)

0.072

Male sex, n (%)

767 (74.9)

700 (74.9)

67 (75.3)

1.000

Preexisting illness, n (%)

 Previous PCI history

48 (4.7)

46 (4.9)

2 (2.2)

0.380

 Hypertension

345 (33.7)

323 (34.5)

22 (24.7)

0.079

 Diabetes

221 (21.6)

207 (22.1)

14 (15.7)

0.204

 Renal impairment

15 (1.5)

15 (1.6)

0 (0.0)

0.458

 Cerebrovascular accident

14 (1.4)

14 (1.5)

0 (0.0)

0.494

Trauma mechanism

   

1.000

 Blunt

1020 (99.6)

931 (99.6)

89 (100.0)

 

 Penetrating

4 (0.4)

4 (0.4)

0 (0.0)

 

Revised trauma score

5.97 (5.03–7.84)

5.97 (5.64–7.84)

4.09 (2.83–5.13)

< 0.001

Injury severity score

22 (16–25)

22 (16–25)

25 (21–26)

< 0.001

Glasgow Coma Scale score

14 (7–15)

14 (8–15)

4 (3–6)

< 0.001

Systolic BP, mmHg

130 (110–140)

130 (110–140)

120 (90–160)

0.259

Respiratory rate, /min

20 (20–20)

20 (20–20)

20 (20–24)

0.002

Pulse rate, /min

84 (74–96)

84 (74–95)

92 (73–108)

0.004

Body temperature, °C

36.4 (36.1–36.8)

36.4 (36.2–36.8)

36.2 (36.0–36.4)

< 0.001

Massive transfusion, n (%)

85 (8.3)

64 (6.8)

21 (23.6)

< 0.001

Emergency operation, n (%)

259 (25.3)

243 (26.0)

16 (18.2)

0.138

  1. TBI traumatic brain injury, PCI Percutaneous coronary intervention, BP blood pressure