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Table 1 Summary of analgesic efficacy results

From: Single-dose oral naproxen for acute postoperative pain: a quantitative systematic review

  

Number of patients with at least 50% pain relief

  

Active treatment and dose (mg)

Number of trials

Naproxen

Placebo

Relative benefit (95% CI)

NNT (95% CI)

Naproxen sodium 550

6

127/252

30/248

4.2 (2.9 to 6.0)

2.6 (2.2 to 3.2)

Naproxen sodium/naproxen 440/400

3

103/210

14/124

4.8 (2.8 to 8.3)

2.7 (2.2 to 3.5)

Naproxen sodium/naproxen 220/200

2

54/120

13/82

2.9 (1.6 to 5.1)

3.4 (2.4 to 5.8)