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Table 2 Primary and secondary outcomes

From: A randomized clinical trial for the timing of tracheotomy in critically ill patients: factors precluding inclusion in a single center study

 

Early N = 245

Late N = 244

P-value

28-day mortality

42 (17%; 13 to 22)

47 (19%; 14 to 25)

0.5436

90-day mortality

63 (26%; 20 to 31)

73 (30%;24 to 36)

0.2996

Hospital mortality

67 (27%; 22 to 33)

78 (32%; 26 to 38)

0.2634

Days free of mechanical ventilation, 28-day

11 (0, 22)

9 (0, 22)

0.0529

Days free of mechanical ventilation, 90-day

73 (0 to 84)

71 (0 to 84)

0.0546

Duration of sedation, days, n

11 (2 to 92)

14 (0 to 79)

0.0194

ICU length of stay, days, n

22 (6 to 101)

22.5 (6 to 174)

0.3088

Other characteristics related to mechanical ventilation and tracheotomy

   

Weaning protocol applied in intubated patients

125 (51%; 45 to 57)

141 (58%; 52 to 64)

0.1331

Failed extubation (reintubated)

38 (16%; 11 to 21)

27 (11%; 7 to 16)

0.1477

Days of intubation in tracheotomized patients

7 (6 to 29)

14 (9 to 47)

0.0009

Days of intubation in successfully extubated patients

10 (8 to 18)

10 (8 to 21)

0.8921

Patients sedated, n (%)

234 (96%; 92 to 98)

235 (96%; 93 to 98)

0.6546

Deep sedation with neuro-blocker drugs

36 (15%; 11 to 20)

52 (21%; 16 to 27)

0.0568

Maximum positive end-expiratory pressure

7 (0 to 16)

7 (3 to 16)

0.9473

Ventilation-associated pneumonia

33 (13%; 9 to 19)

23 (9%; 6 to 15)

0.1604

Early complications of tracheotomy

2 (1.2%: 0.2 to 4)

9 (6.7%; 3 to 12)

0.0139

  1. Results of the quantitative variables are expressed in medians and ranges. Qualitative variables are expressed in percentages and their 95% CI.