Table 1.

Patient demographics

Demographics	EPC (n = 12)	New technique group (n = 4)	P value
Sex (male/female)	4/8	0/4	NA
Age (years)	75.5 [67, 81.7]	70.2 [68.5, 72.6]	0.448
BMI (kg/m2)	23.8 [21.9, 26.1]	24.6 [20.9, 27.8]	0.673
Comorbidity, n (%)
Diabetes mellitus	8 (66)	3 (75)	0.756
Hypertension	4 (33)	2 (50)	0.604
Stage of tumor, n (%)
Stage II	1 (8)	1 (25)
Stage III	6 (50)	2 (50)
Stage IV	5 (42)	1 (25)
History of abdominal surgery, n (%)	2 (16)	1 (25)	0.715