Table 5.

Battlefield Acupuncture Between-Groups Opioid Use (t-Test for Equality of Means)

						95% CI of the difference
Timepoints	t	df	Sig. (2-tailed)	Mean difference	SE difference	Lower	Upper
24 hr	0.318	32	0.752	0.294	0.924	−1.588	2.176
72 hr	0.763	33	0.451	1.716	2.248	−2.858	6.290
7 d	0.883	33	0.384	2.876	3.257	−3.751	9.503
14 d	1.076	33	0.290	3.745	3.480	−3.335	10.825
42 d	1.076	33	0.290	3.745	3.480	−3.335	10.825

Note: There was no significant difference in opioid use between the groups (intervention and control) at all timepoints (P > 0.05).

t, time; df, difference; Sig., significance; SE, standard error; CI, confidence interval, hr, hours, d, days.