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Table 2 Time for Chest Tube Insertion for each Trial

From: Evaluation of performance of two different chest tubes with either a sharp or a blunt tip for thoracostomy in 100 human cadavers

 

Blunt Tip

Sharp Tip

p-value

Trial 1

70 (45)

70 (32)

0.98

Trial 2

61 (27)

64 (34)

0.54

Trial 3

76 (64)

60 (35)

0.33

Trial 4

57 (27)

50 (22)

0.23

Trial 5

52 (23)

50 (25)

0.48

Trial 1 - 5

63 (25)

59 (22)

0.57

  1. Mean time (Standard Deviation) until chest tube placement in cadaver for 20 physicians, using tube set with blunt or sharp tip