A New Proposal for Learning Curve of TEP Inguinal Hernia Repair: Ability to Complete Operation Endoscopically as a First Phase of Learning Curve

Table 2

Demographic and operative data of the groups.

Parameter	Groups		𝑃
	Group I; (numbers 1–21)	Group II; (numbers 22–42)
Age𝛽 (years)	47.0±18.0 (19–73)	50.6±11.6 (27–69)	0.434
BMI𝛽(kg/m^2)	25.9±3.8 (19–32)	26.4±2.8 (21–30)	0.606
Operation time𝛽,¥ (min)	58.6±28.3 (20–110)	52.8±18.7 (25–90)	0.476
Peritoneal injury (𝑛/%)	7 (33.3)	2 (9.5)	0.130
Conversion (𝑛/%)	7 (33.3)	0 (0)	0.009*

∗Statistical significance.
𝛽Mean ± SD.
¥Operation times excluding converted operations.