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. 2006 Jul 21;63(3):271–278. doi: 10.1111/j.1365-2125.2006.02723.x

Table 3.

Second-level analysis, using calculated numbers of patients with at least 50%maxTOTPAR

Dose of drug (mg) Number of Percent with at least 50% pain relief Higher vs. lower dose
Drug High Low Trials Patients High Low Relative benefit (95% CI) NNT (95% CI)
Aspirin 1000 500  2 301 62 52 1.2 (0.97, 1.4)
Aspirin 1200 600  6 608 39 34 1.2 (0.93, 1.4)
Aspirin 1000/1200 500/600  8 909 47 40 1.2 (1.01, 1.3) 16 (8, >100)
Ibuprofen  800 400 13 994 68 59 1.2 (1.1, 1.3) 10 (6, 23)
Paracetamol 1000 500/650  7 933 64 52 1.2 (1.1, 1.4)  9 (6, 20)