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Table 1 Demographic data and history

From: Preoperative incentive spirometry for preventing postoperative pulmonary complications in patients undergoing coronary artery bypass graft surgery: a prospective, randomized controlled trial

Variable Total (Mean ± SD) IS group (Mean ± SD) Control group (Mean ± SD) p value
Age 54.3 ± 4.5 54.4 ± 3.8 54.3 ± 5.1 0.961
Variable Yes/no IS group n (%) Control group n (%) p value
Gender Male 22 (55.0%) 21 (52.5%) 0.823
Female 18 (45.0%) 19 (47.5%)
DM Yes 17 (42.5%) 20 (50.0%) 0.501
No 23 (57.5%) 20 (50%)
HTN Yes 15 (37.5%) 15 (37.5%) > 0.999
No 25 (62.5%) 25 (62.5%)
IHD Yes 18 (45.0%) 15 (37.5%) 0.496
No 22 (55.0%) 25 (62.5%)
PCI Yes 5 (12.5%) 8 (20.0%) 0.363
No 35 (87.5%) 32 (80.0%)
Smoking Yes 14 (35.0%) 16 (40.0%) 0.644
No 26 (65.0%) 24 (60.0%)
BMI   26.5 ± 2.6 26.4 ± 2.1 0.967
BMI category Normal weight 12 (30.0%) 9 (22.5%) 0.727
Overweight 24 (60.0%) 28 (70.0%)
Obesity 4 (10.0%) 3 (7.5%)