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Table 1 Characteristics of patients

From: Sleep quality in mechanically ventilated patients: comparison between NAVA and PSV modes

Characteristics of patients  
Sex (M/F) (8/6)
Age (yr ± SD) 64 ± 11
SAPS II ± SD 46 ± 12
Duration of MV (days ± SD) 17 ± 9
Tracheotomy (%) 2 (14)
Cause for initial MV (%)  
Acute respiratory failure 10 (71.5%)
Postoperative complication 3 (21.5%)
Septic shock 1 (7%)
  1. M = male; F = female; SAPS = Simplified Acute Physiology score; MV = mechanical ventilation.