Table 2.

Logistic regression of risk factors of patients with early postoperative hypoxemia

	P value	OR	95 % CI
Age	0.042	2.696	1.138 ~ 7.146
BMI	0.012	1.52	1.098 ~ 2.103
Postoperative serum FFA levels	0.002	2.523	1.094 ~ 14.477

FFA free fatty acid, OR odd ratio, CI confidence interval