Table 1.

Demographic and intraoperative characteristics

variables	Group TAP (n = 40)	Group Control (n = 42)	P value
Mean age, year	51.4 ± 7.4	52.1 ± 8.4
Gender, male: female	18:22	22:20
BMI (kg/m2)	23.6 ± 2.7	23.8 ± 2.6
ASA I / II / III	8/28/4	7/33/2	0.903
Operation time (min)	162.7 ± 33.4	164.3 ± 30.4	0.820
Type of operation			0.995
Right hemicolectomy	16 (40)	16 (38)	/
Left hemicolectomy	12 (30)	13 (31)	/
Anterior resection	6 (15)	7 (17)	/
Sigmoid colectomy	6 (15)	6 (14)	/
Intraoperative sufentanil usage (ug)	37.7 ± 4.2	37.6 ± 4.3	0.941
Intraoperative remifentanil usage (mg)	1.0 ± 0.3	1.0 ± 0.3	0.979

Note: Data are presented as mean ± SD or the number of cases or no. (%) of patients. ASA American Society of Anesthesiologists, BMI body mass index, Group TAP transversus abdominis plane block