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 3

The VAS pain score and effective pressing numbers of PCIA machine during the observation period.

	Observational period	Group S	Group L	Group M	Group H
VAS pain score	0–6 h	1.05 (1.449)	0.95 (1.011)	0.98 (1.223)	0.98 (1.365)	0.988
	6–12 h	1.40 (1.598)	1.00 (0.987)	1.05 (1.260)	1.23 (1.423)	0.527
	12–24 h	1.75 (1.721)	1.28 (0.176)	1.18 (1.130)	1.08 (1.403)	0.084
	24–48 h	1.68 (1.685)	1.30 (1.305)	1.18 (1.238)	1.20 (1.418)	0.363
Effective pressing numbers	0–6 h	0.55 (1.108)	0.60 (1.008)	0.88 (1.453)	0.83 (1.708)	0.620
	6–12 h	0.75 (1.463)	0.58 (1.357)	1.00 (1.617)	0.65 (1.099)	0.558
	12–24 h	1.95 (5.228)	1.18 (2.531)	1.30 (2.151)	0.73 (1.633)	0.399
	24–48 h	1.28 (1.679)	1.30 (2.775)	1.03 (1.459)	0.55 (0.783)	0.225

VAS = visual analogue scale.