4.
Forest plot of comparison: 3 Naproxen 500 mg or naproxen sodium 550 mg versus placebo, outcome: 3.8 Participants using rescue medication within 12 hours.
Forest plot of comparison: 3 Naproxen 500 mg or naproxen sodium 550 mg versus placebo, outcome: 3.8 Participants using rescue medication within 12 hours.