A comparative study on the short-term and long-term efficacy of endoscopic lipolysis, liposuction, and traditional open excision in gynecomastia treatment

Table 1 Demographic data of patients

Index	Control group (n = 70)	Observation group (n = 70)	T value /χ²value	P value
Age (years)	35.34 ± 5.26	35.18 ± 4.77	4.225	0.441
BMI (kg/m²)	23.45 ± 1.67	23.29 ± 1.85	2.061	0.262
Course of disease (year)	2.35 ± 0.54	2.47 ± 0.66	3.447	0.144
Simon’s grading				0.355
Grade I (%)	6 (8.57%)	8 (11.43%)	2.001	0.218
IIa (%)	33 (47.14%)	37 (52.85%)
IIb (%)	31 (44.29%)	35 (35.72%)
Smoking (%)	24 (34.28%)	26 (37.14%)	0.785	0.274
Drinking (%)	31 (44.28%)	33 (47.14%)	1.227	0.404

ISSN: 1472-6823