Table 2.

RPR as assessed using VAS scores

Visits	Parameter	µ2 (NA)	µ1 (ketorolac)	µ2–µ1	95% CI (LCL)	95% CI (UCL)	Levene’s testa (P-value)	t-testb (P-value)
V0–60 × V0	RPR	0.258	0.314	−0.056	−0.166	0.055	0.608	0.321
	n	31	33
V1 × V0	RPR	0.387	0.384	0.003	−0.142	0.149	0.882	0.964
	n	31	33
V2 × V0	RPR	0.436	0.479	−0.043	−0.218	0.132	0.323	0.627
	n	30	33

Notes:

^aTest for variance equality.

^bTest for averages equality. t-test for two independent samples to compare means between two groups.

Abbreviations: CI, confidence interval; NA, naproxen; RPR, rate of pain relief; VAS, visual analog scale; LCL, lower confidence limit; UCL, upper confidence limit.