Table 4 Univariate potential predictors of hypoxia.
Characteristic | Hypoxia (n = 90) | Nohypoxia (n = 5223) | P value |
|---|---|---|---|
Age (years) | 45.29 ± 11.83 | 44.19 ± 10.62 | 0.333 |
Sex | 0.376 | ||
Male | 55 | 2948 | |
Female | 35 | 2275 | |
BMI (kg m2) | 0.167 | ||
< 28 | 78 | 4748 | |
≥ 28 | 12 | 475 | |
ASA grade | 0.404 | ||
1 grade | 39 | 2613 | |
2 grade | 38 | 2014 | |
3 grade | 13 | 596 | |
Procedure time (min) | 33/57/0 | 1716/3584/23 | |
≤ 10 min | 33 | 1716 | |
> 10 min | 57 | 3607 | 0.252 |
Smoking | 0.140 | ||
Yes | 4 | 473 | |
No | 86 | 4850 | |
OSAS | 0.240 | ||
Yes | 11 | 454 | |
No | 77 | 4769 | |
