Comparison 4. NSAID vs NSAID.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pain on Likert scale	6		Std. Mean Difference (IV, Fixed, 95% CI)	Totals not selected
2 Pain on VAS	7		Std. Mean Difference (IV, Random, 95% CI)	Totals not selected
3 Withdrawals due to adverse events	23		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
4 Patient's global assessment of disease activity	2		Std. Mean Difference (IV, Random, 95% CI)	Totals not selected
5 Duration of morning stiffness	7		Mean Difference (IV, Random, 95% CI)	Totals not selected
6 Severity of morning stiffness	2		Std. Mean Difference (IV, Random, 95% CI)	Totals not selected
7 CRP	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
8 ESR	3		Mean Difference (IV, Random, 95% CI)	Totals not selected
9 Lateral spinal flexion	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
10 Chest expansion	6		Mean Difference (IV, Random, 95% CI)	Totals not selected
11 Tragus‐to‐wall distance	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
12 Occiput‐to‐wall distance	2		Mean Difference (IV, Random, 95% CI)	Totals not selected
13 Schober's test	8		Mean Difference (IV, Random, 95% CI)	Totals not selected
14 Pain relief ≥ 50%	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
15 Number of any adverse events	19		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
16 Number of serious adverse events	2		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
17 Adverse events per organ system	16		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
17.1 Cardiovascular	6		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
17.2 Gastro‐intestinal	16		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
17.3 Hepatic	3		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
17.4 Respiratory	3		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
17.5 Hematological	2		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
17.6 Renal	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
17.7 Neurological	14		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
17.8 Dermatological	9		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]