Table 2. Changes from Baseline for the Studied Outcomes Measure^a.

Variable	Follow-Up, min					P Valueb
	Recovery	2	6	12	24
Shoulder pain						0.01
A	0.22 ± 0.78	0.48 ± 1.22	0.43 ± 1.50	1.38 ± 1.49	1.05 ± 1.37
B	0.14 ± 0.68	0.44 ± 1.27	0.77 ± 1.51	1.90 ± 2.41	0.40 ± 0.80
C	0.20 ± 0.82	0.40 ± 0.92	1.04 ± 2.02	0.57 ± 1.17	0.80 ± 1.07
D	0.79 ± 1.91	2.26 ± 2.65	0.89 ± 1.48	1.39 ± 1.49	1.24 ± 1.09
Upper abdominal pain						0.16
A	0.11 ± 0.53	0.26 ± 0.71	0.51 ± 0.92	0.28 ± 0.83	0.40 ± 0.82
B	0.09 ± 0.44	0.10 ± 0.54	0.60 ± 1.22	0.71 ± 1.07	0.20 ± 0.73
C	0.03 ± 0.23	0.16 ± 0.67	0.36 ± 0.94	0.60 ± 1.01	0.36 ± 0.72
D	0.34 ± 1.35	0.23 ± 0.92	0.24 ± 0.69	0.51 ± 0.91	0.27 ± 0.70
Incision site pain						< 0.001
A	0.75 ± 1.57	2.80 ± 2.65	2.49 ± 2.18	2.38 ± 2.00	1.34 ± 1.22
B	2.44 ± 2.46	2.49 ± 2.17	2.44 ± 1.97	1.84 ± 1.92	1.21 ± 1.33
C	0.77 ± 1.71	2.54 ± 2.63	2.71 ± 1.75	2.27 ± 1.51	1.10 ± 1.09
D	2.47 ± 2.85	3.14 ± 2.75	2.07 ± 1.70	1.56 ± 1.46	0.91 ± 1.11

Abbreviations: A, normal saline intraperitoneal infusion; B, pulmonary recruitment maneuver; C, simultaneously received two interventions; D, control group.

^aValues are expressed as mean ± SD.

^bP value for interaction of time interval and intervention status.