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Table 1 Percentage of patients group achieving various levels of pain relief at 6 weeks compared with baseline

From: Numbers needed to treat calculated from responder rates give a better indication of efficacy in osteoarthritis trials than mean pain scores

Percentage reduction in pain from baseline Treatment group: etoricoxib daily dose (mg)
  0 (placebo) (n = 57) 5 (n = 114) 10 (n = 105) 30 (n = 102) 60 (n = 109)
>0 61 77 79 84 88
≥ 10 46 67 69 75 83
≥ 20 30 55 57 58 74
≥ 30 25 44 42 50 66
≥ 40 19 32 31 43 55
≥ 50 11 19 25 34 49
≥ 60 9 11 15 27 35
≥ 70 2 6 11 17 29
≥ 80 2 4 5 5 19
≥ 90 0 1 3 1 5