Table 3.

Intraoperative complications among obesity status (N = 1262).

Variable	Nonobese N = 801	Obesity class 1 N = 291	Obesity class 2–3 N = 170	P-value
	N(%)
Oxygen Desaturationa	22 (2.7%)	10 (3.4%)	9 (5.3%)	0.23
Dysrhythmiab	17 (2.1%)	8 (2.7%)	4 (2.4%)	0.76*
Other Adverse Eventc	16 (2.0%)	5 (1.7%)	2 (1.2%)	0.55

^aOxygen desaturation (<95%) for greater than 10 consecutive minutes.

^bInclude incidents of atrial fibrillation, atrial flutter, supraventricular tachycardia, ventricular tachycardia or fibrillation, heart block (First, second or third degree) and other tachy-arrhythmias such as sick sinus syndrome.

^cMinor surgical complications such as dural tear.

^*Test conducted using Fisher’s exact test due to small cell counts.