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Table 1 Characteristics of traffic-related patients at King Abdulaziz Medical City (KAMC) and National Trauma Data Bank (NTDB)

From: In-hospital mortality among patients injured in motor vehicle crashes in a Saudi Arabian hospital relative to large U.S. trauma centers

Variable

KAMC registryN = 5,290

NTDB N = 485,611

Age category %

  

0-14

20.4

6.8

15-25

39.8

28.0

26-45

27.9

32.5

46-64

7.9

22.1

≥65

3.9

10.5

Missing %

0

1.3

Male %

85.5

63.4

Missing %

0

0.6

Role %

  

Occupant

73.3

87.9

Motorcycle

4.3

5.8

Pedestrians

22.4

5.0

Bicyclists

A

1.1

Mean T-RTS [Median, IQR]

11.0 [12,1.6]

10.9 [11,1.8]

Missing %

0

7.7

Mean ISS [Median, IQR]

12.9 [9,11.3]

12.1 [9,10.8]

Missing %

0.1

7.5

ISS Categories

  

(1–8) N (%)

2,040 (38.5)

209,574 (43.1)

(9–15) N (%)

1,693 (32.0)

132,347 (27.2)

(16–24) N (%)

687 (13.0)

85,222 (17.5)

(25–75) N (%)

870 (16.4)

58,468 (12.0)

SBP < 90 %

4.4

3.8

Missing %

0.7

2.8

Surgery %

20.8

12.4

Missing %

0

1.0

Head injury %

42.5

17.1

Missing %

0

0

Died in the hospital %

8.3

4.3

Missing %

0

1.9

  1. All differences significant at p < 0.001,except for SBP at p < 0.01.
  2. ABicyclists are added to pedestrians in King Abdulaziz Medical City (KAMC) registry.
  3. *Chi-2 test; ^Student t-test.
  4. ISS Injury Severity Score; T-RTS Triage-Revised Trauma Scale.
  5. SBP Systolic Blood Pressure.