Table 1.

Main characteristics of the studies included in this meta-analysis

Author	Year	Language	Treatment arms	n	Male	Age	Follow-up (days)
Schumacher et al30	2002	English	Etoricoxib 120 mg one time a day	75	73	48.5 (13.29)	8
			Indomethacin 50 mg three times a day	75	69	49.5 (13.71)
Rubin et al31	2004	English	Etoricoxib 120 mg one time a day	103	98	51.1 (13)	8
			Indomethacin 50 mg three times a day	86	79	52.2 (12)
Ye et al32	2010	Chinese	Etoricoxib 120 mg one time a day	40	33	45.12 (12.48)	7
			Diclofenac 75 mg one time a day	35	32	38.20 (15.51)
Zhang et al20	2012	Chinese	Etoricoxib 120 mg one time a day	48	48	63.4 (12)	8
			Meloxicam 15 mg one time a day	36	36	64.1 (11)
Gao and Pang33	2013	Chinese	Etoricoxib 120 mg one time a day	140	89	41.78 (12.57)	7
			Diclofenac 75 mg two times per day	140	92	42.48 (13.23)
Hong and Xu21	2013	Chinese	Etoricoxib 120 mg one time a day	50	38	42.1 (9.8)	7
			Celecoxib 200 mg three times a day	50	40	41.5 (7.8)
Li et al34	2013	English	Etoricoxib 120 mg one time a day	89	85	52 (15)	5
			Indomethacin 75 mg two times per day	89	81	53 (14)
Guo et al18	2014	Chinese	Etoricoxib 120 mg one time a day	60	96	44.3 (15.6)	8
			Meloxicam 15 mg one time a day	60
Guo et al35	2014	Chinese	Etoricoxib 120 mg one time a day	57	56	40.52 (11.27)	5
			Diclofenac 75 mg one time a day	56	54	43.03 (13.02)
Lu36	2014	Chinese	Etoricoxib 120 mg one time a day	95	89	48.9 (2.3)	7
			Diclofenac 50 mg three times a day	51	49	46.7 (3.4)
Kuang37	2015	Chinese	Etoricoxib 120 mg one time a day	40	29	42.8 (10.3)	7
			Diclofenac 50 mg three times a day	40	31	43.7 (11.2)
Liu17	2015	Chinese	Etoricoxib 120 mg one time a day	32	21	45 (3.74)	7
			Meloxicam 15 mg one time a day	32	13	44 (3.53)
Xia22	2015	Chinese	Etoricoxib 120 mg one time a day	40	27	50.17 (25.13)	7
			Celecoxib 200 mg three times a day	40	25	50.09 (25.34)
Zhu38	2015	Chinese	Etoricoxib 120 mg one time a day	50	48	46.3 (6.9)	7
			Diclofenac 50 mg three times a day	50	49	46.5 (6.1)
Cui and Liu15	2016	Chinese	Diclofenac 100 mg one time a day	12	11	41.5 (3.8)	5
			Celecoxib 200 mg one time a day	12	10	43.2 (4.2)
Li et al39	2016	Chinese	Etoricoxib 120 mg one time a day	47	22	41.8 (11.3)	5
			Diclofenac 75 mg one time a day	47	21	40.5 (10.1)
Ming24	2016	Chinese	Etoricoxib 120 mg one time a day	38	22	52.64 (12.28)	7
			Celecoxib 200 mg two times per day	38	23	52.79 (12.35)
Pan and Chen40	2016	Chinese	Etoricoxib 120 mg one time a day	68	126	43.2 (13.6)	7
			Diclofenac 50 mg three times a day	68
Zhou23	2016	Chinese	Etoricoxib 120 mg one time a day	28	16	53.37 (11.32)	7
			Celecoxib 200 mg three times a day	28	14	52.13 (10.13)
Li et al19	2017	Chinese	Etoricoxib 120 mg one time a day	44	68	44.67 (14.99)	8
			Meloxicam 15 mg one time a day	44
Gao and Yang41	2018	Chinese	Celecoxib 200 mg two times per day	40	29	58.4 (2. 8)	7
			Etoricoxib 120 mg one time a day	40	30	56.7 (2. 2)
Lan et al42	2018	Chinese	Celecoxib 200 mg two times per day	30	24	52.21 (1.25)	7
			Etoricoxib 120 mg one time a day	30	25	52.26 (1.24)
Sheng43	2019	Chinese	Etoricoxib 120 mg one time a day	42	82	39.17 (10.28)	7
			Diclofenac 75 mg one time a day	38
Wu and Yang44	2019	Chinese	Etoricoxib 120 mg one time a day	30	23	45.98 (6.65)	7
			Meloxicam 15 mg one time a day	30	21	45.21 (7.20)

Age presented as mean (SD).