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Table 4 Prehospital time after FB aspiration between two groups (n, %)

From: Clinical analysis of tracheobronchial foreign body aspiration in children: a focus on external and intrinsic factors

Prehospital time(h)

With history

Without history

Count

 < 24

52

67.5

20

41.7

72

57.6

24–72

20

26.0

16

33.3

36

28.8

 ≥ 72

5

6.5

12

25.0

17

13.6

Count

77

100

48

100

125

100

  1. χ2 = 11.573, p = 0.003 < 0.05, History = history of FB aspiration
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BMC Surgery

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