. 2022 Jun 28;36(12):9146–9155. doi: 10.1007/s00464-022-09395-4

Table 2.

Baseline characteristics after propensity score matching

	SG^a group (n = 655)	BSG^b group (n = 132)	p	SMD^c Before	SMD After
Demography
Sex M/F^a	135/523	28/104	0.857	− 0.104	0.030
Age (year)^a	30.0 (24.0–39.0)	34.5 (27.0–40.0)	0.821	− 0.111	0.028
Comorbidities
HTN^{d, a}	190 (28.9%)	40 (30.3%)	0.753	0.001	0.026
DM^{e, a}	113 (17.3%)	24 (18.2%)	0.797	0.023	0.020
OSA^{f, a}	93 (14.1%)	19 (14.4%)	0.938	0.048	0.034
Dyslipidemia^a	202 (30.7%)	40 (30.3%)	0.928	0.005	0.021
Osteoarthritis^a	163 (24.8%)	34 (25.8%)	0.811	0.005	0.078
Cardiac disease^a	46 (7.0%)	8 (6.1%)	0.699	− 0.012	− 0.013
Psychological disorders^a	82 (12.5%)	16 (12.1%)	0.914	− 0.022	0.018
Vascular diseases^a	106 (16.1%)	20 (15.2%)	0.784	< 0.001	− 0.007
Thromboembolic complication (DVT^g, PE^h)^a	11 (1.7%)	2 (1.5%)	1.000^b	− 0.006	− 0.025
Neoplasm^a	14 (2.1%)	2 (1.5%)	1.000^b	− 0.025	0.012
Gallstones^a	59 (9.0%)	13 (9.8%)	0.742	− 0.013	0.030
Smoking^a	214 (32.5%)	47 (35.6%)	0.492	0.006	− 0.020
Alcohol^a	11 (1.7%)	2 (1.5%)	1.000^b	0.007	− 0.025
Preoperative endoscopic assessment
Esophagitis^a	130 (19.8%)	25 (18.9%)	0.829	− 0.031	0.020
Hiatal hernia^a	35 (5.3%)	7 (5.3%)	0.991	− 0.039	0.007
Anthropometric measures
Waist	115.0 (108.0–131.3)	116.0 (108.0–132.0)	0.882	0.016	0.011
Height ‘m’	1.7 (1.6–1.7)	1.7 (1.6–1.7)	0.950	− 0.010	0.003
Weight ‘kg’	129 (113–146)	130 (115–146)	0.816	0.001	0.019
BMI^{i a}	47.2 (42.5–52.1)	47.4 (42.8–52.3)	0.725	0.008	0.025
Parameters of glycemic control
FBS^j	96.0 (86.0–108.0)	96.0 (85.0–108.0)	0.757	0.010	0.019
HbA1c^k	8.0 (7.0–9.0)	8.0 (7.0–9.0)	0.945	− 0.001	− 0.019

Categorical variables are expressed in counts (percentages). Continuous variables are expressed in median values (interquartile range)

^aVariables used in the propensity score matching

^bFisher’s exact test

^aSG Sleeve gastrectomy ^bBSG Banded sleeve gastrectomy ^cSMD standardized mean difference, ^dHTN essential hypertension, ^eDM diabetes mellitus, ^fOSA obstructive sleep apnea, ^gDVT deep vein thrombosis, ^hPE: ⁱBMI: body mass index, ^jFBS fasting blood sugar, ^kHbA1c glycated hemoglobin, HCV hepatitis C virus, PS propensity score