Skip to main content

Advertisement

Table 1 Descriptive Characteristics of the Study Groups, mean ± S.D. or N (%)

From: Effect of postoperative positive airway pressure on risk of postoperative atrial fibrillation after cardiac surgery in patients with obstructive sleep apnea: a retrospective cohort study

Characteristics No Postoperative PAPa Postoperative PAP p valueb
N 76 (50) 76 (50)  
Age (yrs.) 67.3 ± 10.4 63.7 ± 12.1 0.05
Male 53 (69.7) 64 (84.2) 0.03
White 53 (69.7) 56 (73.7) 0.59
Body Mass Index (kg/m2) 32.1 ± 7.6 32.1 ± 7.1 0.99
Comorbidities
 Previous Atrial Fibrillation 16 (21.1) 16 (21.1) 1.00
 Previous Cerebrovascular Eventc 13 (17.1) 5 (6.6) 0.05
 Previous Myocardial Infarction 16 (21.1) 6 (7.9) 0.02
 COPDd 11 (14.5) 5 (6.6) 0.11
 Hypertension 63 (82.9) 59 (77.6) 0.42
 Hyperlipidemia 50 (65.8) 51 (67.1) 0.86
Perioperative Characteristics
 Elective Surgery 69 (90.8) 67 (88.2) 0.60
 Valve Surgery 44 (57.9) 47 (61.8) 0.62
 Preoperative IABPe 2 (2.6) 0 (0) 0.50
 CPB timef (mins) 153.9 ± 59.3 174.4 ± 79.7 0.07
 Aortic Cross-Clamp time (mins) 103.9 ± 44.7 121.2 ± 62.3 0.05
 Post operative day of extubation 0.5 ± 0.8 0.6 ± 1.0 0.68
 Home PAP use 17 (22.4) 62 (81.6) <0.0001
  1. aPositive airway pressure
  2. bStudent t tests, Chi-square tests or Fisher’s exact tests were used to calculate the p value
  3. cCerebrovascular Event includes cerebral vascular accident and transient ischemic attack
  4. dChronic obstructive pulmonary disease
  5. eIntra-aortic balloon counterpulsation pump
  6. fCardiopulmonary bypass time