Table 2

Morbidity and mortality of the study population by history of OSA.

Variable, n (%)No History of OSA (n = 1098)OSA (n = 93) P Value
Morbidity by organ system
 Airway1 (0.1)0 (0.0)0.7709
 Acute respiratory distress syndrome1 (0.1)1 (0.0)0.7709
 Atelectasis53 (4.8)8 (13.1)0.1128
 Posthemorrhagic anemia134 (12.2)21 (22.6)0.0043a
 Renal failure16 (1.5)1 (1.1)0.7656
 Myocardial infarction7 (0.6)2 (2.2)0.1057
 Cardiac arrest9 (0.8)2 (2.2)0.1977
 Cerebrovascular attack1 (0.1)0 (0.0)0.7709
 Deep venous thrombosis2 (0.2)0 (0.0)0.6804
 Obesity-related hypoventilation syndrome1 (0.1)0 (0.0)0.7709
 Pneumonia29 (2.6)4 (4.3)0.3491
 Pulmonary edema1 (0.9)0 (0.0)0.7709
 Pulmonary embolism3 (0.3)0 (0.0)0.6138
 Pulmonary insufficiency4 (0.4)0 (0.0)0.5599
 Respiratory failure15 (1.4)4 (4.3)0.0301a
 Wound dehiscence2 (0.2)0 (0.0)0.6804
 Sepsis8 (0.7)0 (0.0)0.4088
 Septic shock3 (0.3)0 (0.0)0.6138
 Urinary tract infection13 (1.2)1 (1.1)0.9256
Overall mortality3 (0.3)0 (0.0)0.6138
  • Abbreviation: OSA, obstructive sleep apnea.

  • a P < 0.05 was used as a threshold for statistical significance.