Table 2.

Comparison of Minor Events and Patient Characteristics

	Gas Leakage
	Absent (n = 92)	Present (n = 4)	p-value
BMI; median (min-max) kg/m2	25.5 (19.0 – 35.0)	29.5 (21.0 – 36.0)	0.392
History of abdominal surgery; n (%)	3 (3.2%)	1 (25%)	0.330
Median time required for initial entry; (min-max), seconds	90 (70 – 150)	125 (110 – 160)	0.002
Subcuteneous bleeding	2 (2.1%)	3 (75%)	0.013

	Subcutaneous Bleeding
	Absent (n = 91)	Present (n = 5)	p-value
BMI; median (min-max) kg/m2	25.0 (19.0 – 35.0)	30.0 (21.0 – 36.0)	0.129
History of abdominal surgery; n (%)	4 (4.4%)	1 (20%)	0.395
Median time required for initial entry; (min-max), seconds	90 (70 – 120)	145 (130 –160)	0.001

Min, minimum; max, maximum; BMI, body mass index.