Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy of Nonopioid Analgesics on Pain following Arthroscopic Knee Surgery

Table 3

Patient satisfaction with the effectiveness of pain therapy within 24 hours after arthroscopic knee surgery.

Group	Placebo (𝑛=30)	Parecoxib (𝑛=30)	Metamizole (𝑛=30)	Paracetamol (𝑛=30)
PACU	2.4 ± 0.7	2.7 ± 0.7	2.6 ± 0.6	2.5 ± 0.6
After 6 h	2.9 ± 0.6	3.4 ± 0.6*	2.9 ± 0.6	2.8 ± 0.6
After 12 h	3.1 ± 0.6	3.4 ± 0.5*	3.0 ± 0.7	3.0 ± 0.6
After 18 h	3.3 ± 0.5	3.4 ± 0.5	3.2 ± 0.6	3.1 ± 0.6
After 24 h	3.4 ± 0.5	3.6 ± 0.5**	3.2 ± 0.6	3.1 ± 0.6

Data are presented as mean ± SD. *P < 0.008 parecoxib versus metamizole and paracetamol; **P < 0.008 parecoxib versus paracetamol.