Efficacy of Nalbuphine with Flurbiprofen on Multimodal Analgesia with Transverse Abdominis Plane Block in Elderly Patients Undergoing Open Gastrointestinal Surgery: A Randomized, Controlled, Double-Blinded Trial

Table 1

Basic characteristics of patients.

	Group S	Group L	Group M	Group H
Gender (male/female)	30/10	29/11	27/11	28/12	0.279
ASA (I/II/III)	3/27/10	5/34/1	4/23/11	2/29/9	0.070
Age, mean (SD) (yr)	71.40 (4.65)	71.15 (5.60)	70.15 (4.46)	71.63 (5.79)	0.592
Weight, mean (SD) (kg)	59.60 (9.39)	57.53 (8.39)	57.85 (10.19)	60.93 (11.21)	0.377
Height, mean (SD) (m)	1.65 (0.68)	1.65 (0.71)	1.63 (0.70)	1.63 (0.85)	0.627
BMI, mean (SD)	21.81 (2.87)	21.25 (2.71)	21.68 (3.77)	22.83 (3.66)	0.179
MAP, mean (SD) (mmHg)	105.2 (12.4)	102.1 (13.0)	99.2 (15.5)	103.6 (14.2)	0.257

BMI = body mass index.