Table 1 Comparison of demographic and clinical characteristics of the study population according to the capnography results
|  | Tracheal intubation (n = 80) | Esophageal intubation (n = 20) | p value |
|---|---|---|---|
Age (years) (mean ± SD) | 55.28 ± 13.3 | 54.45 ± 14.7 | 0.809 |
BMI (kg/m2) (mean ± SD) | 26.05 ± 2.7 | 25.45 ± 2.8 | 0.376 |
Sex | N (%) | N (%) | Â |
 Male | 41 (74.5) | 14 (25.5) | 0. 132 |
 Female | 39 (86.7) | 6 (13.3) | |
Medical diagnosis | |||
 Cardiac problems | 4 (80.0) | 1 (20.0) | 0.219 |
 Cerebrovascular problems | 5 (83.3) | 1 (16.7) | |
 GIT problems | 3 (100.0) | 0 (0.0) | |
 Metabolic problems | 12 (92.3) | 1 (7.7) | |
 Pleural problems | 2 (50.0) | 2 (50.0) | |
 Pulmonary problems | 43 (74.1) | 15 (25.9) | |
 Others | 11 (100.0) | 0 (0.0) | |