Variables | High risk | Low Risk | p |
---|---|---|---|
Age, year | 52.7 ± 21.3 | 33.4 ± 21.2 | < 0.0001 |
Gender, male | 81 (55.1%) | 541 (43%) | 0.005 |
Body mass index, kg/m2 | 29.4 ± 6.2 | 23.6 ± 5.7 | < 0.0001 |
ASA score | 1.97 ± 3.2 | 1.29 ± 0.5 | < 0.0001 |
Pneumonia | 2 (1.4%) | 11 (0.9%) | NS |
Atelectasis | 9 (13.1%) | 13 (1%) | < 0.0001 |
Respiratory failure | 2 (1.4%) | 8 (0.6%) | NS |