1.

3组患者一般资料和肥胖相关情况的比较

Demographic data and obesity-related indices of the patients (n=30, Mean±SD or number of cases)

Group	Age(years)	Male/Female	ASA(Ⅰ/Ⅱ)	BMI(kg/m2)	Classification of obesity (Ⅰ/Ⅱ)	NC(cm)	WC(cm)	Hb(g/L)
Classification of obesity BMI: Ⅰ: 30-34.9 kg/m2, Ⅱ: 35-39.9 kg/m2. NC: Neck circumference; WC: Waist circumference.
M	46.5±10.4	15/15	12/18	33.9±2.6	21/9	42.2±3.0	117.8±12.2	129±9.8
T	47.1±9.6	16/14	14/16	33.0±2.0	23/7	42.4±4.5	118.6±11.1	124±7.6
M+T	45.3±10.3	17/13	13/17	33.5±2.5	22/8	41.0±3.9	119.4±11.8	122±10.9
F/χ2	0.000	0.268	0.271	0.001	0.341	0.001	0.432	0.001
P	1.000	0.875	0.873	1.000	0.843	1.000	0.668	0.999