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. 2015 Sep 28;2015(9):CD008659. doi: 10.1002/14651858.CD008659.pub3
Drug Dose
 (mg) Number of At least 50% maximum pain relief over 4 ‐ 6 hours Susceptibility to publication bias
Number with outcome/total Percent with outcome Risk ratio
 (95% CI) NNT
 (95% CI)
Studies Participants Active Placebo Active Placebo
Aspirin 600/650 65 4965 983/2496 379/2469 39 15 2.5 (2.3 to 2.8) 4.2 (3.8 to 4.6) 6856
Aspirin 1000 6 618 138/340 40/278 41 14 2.7 (2.0 to 3.7) 4.2 (3.8 to 4.6) 853
Aspirin 1200 3 249 85/140 25/109 62 19 3.3 (1.8 to 6.3) 2.4 (1.9 to 3.2) 789
Celecoxib 200 4 705 149/423 32/282 35 11 3.5 (2.4 to 5.1) 4.2 (3.4 to 5.6) 974
Celecoxib 400 5 722 202/466 12/256 43 5 10 (5.7 to 18) 2.6 (2.3 to 3.0) 2055
Codeine 60 33 2411 311/1199 209/1212 26 17 1.5 (1.3 to 1.7) 12 (8.4 to 18) NNT above 10
Dexketoprofen 10/12.5 5 452 104/230 38/222 45 17 2.7 (2.0 to 3.7) 3.6 (2.8 to 5.0) 804
Dexketoprofen 20/25 6 523 129/225 38/248 47 15 3.3 (2.4 to 4.5) 3.2 (2.6 to 4.1) 1111
Diclofenac fast acting 50 4 486 156/214 46/232 61 20 2.9 (3.2 to 3.8) 2.4 (2.0 to 3.0) 1539
Diclofenac potassium 25 4 502 140/248 37/274 56 15 3.9 (2.8 to 5.3) 2.4 (2.0 to 2.9) 1590
Diclofenac potassium 50 7 757 253/398 60/359 64 17 3.7 (2.9 to 4.7) 2.1 (1.9 to 2.5) 2848
Diclofenac potassium 100 6 589 196/300 39/289 65 13 4.8 (3.6 to 6.5) 1.9 (1.7 to 2.3) 2511
Diflunisal 500 6 391 104/198 27/193 53 14 3.8 (2.6 to 5.4) 2.6 (2.1 to 3.3) 1113
Diflunisal 1000 5 357 112/182 26/175 62 15 4.1 (2.9 to 6.0) 2.1 (1.8 to 2.6) 1343
Dipyrone 500 5 288 106/143 45/145 74 31 2.4 (1.8 to 3.1) 2.3 (1.9 to 3.1) 964
Etodolac 100 5 498 103/251 50/247 41 20 2.0 (1.5 to 2.7) 4.8 (3.5 to 7.8) 540
Etodolac 200 7 670 145/333 44/337 44 13 3.3 (2.5 to 4.5) 3.3 (2.7 to 4.2) 1360
Etodolac 400 3 222 52/134 4/88 39 5 9.0 (3.4 to 24) 2.9 (2.3 to 4.0) 544
Etoricoxib 120 6 798 332/503 34/295 66 12 5.6 (4.0 to 7.8) 1.8 (1.7 to 2.0) 3635
Etoricoxib 180/240 2 199 129/150 6/49 79 12 6.4 (3.1 to 14) 1.5 (1.3 to 1.7) 1128
Fenoprofen 200 4 287 83/146 19/141 57 13 4.2 (2.7 to 6.4) 2.3 (1.9 to 3.0) 961
Flurbiprofen 25 3 208 36/102 5/106 35 5 7.0 (2.9 to 16) 3.3 (2.5 to 4.9) 422
Flurbiprofen 50 10 692 245/353 108/339 69 32 2.2 (1.9 to 2.6) 2.7 (2.3 to 3.3) 1871
Flurbiprofen 100 7 416 139/215 48/201 65 24 2.8 (2.2 to 3.6) 2.5 (2.0 to 3.1) 1248
Ibuprofen acid 100 4 396 60/192 16/204 31 8 3.7 (2.3 to 5.9) 4.3 (3.2 to 6.4) 525
Ibuprofen acid 200 18 2103 448/1094 67/1009 41 7 6.5 (5.1 to 8.2) 2.9 (2.7 to 3.2) 5149
Ibuprofen acid 400 51 5604 1596/3070 289/2543 52 12 4.6 (4.0 to 5.1) 2.5 (2.4 to 2.6) 16,812
Ibuprofen acid 600 3 203 88/114 36/89 77 40 2.0 (1.5 to 2.6) 2.7 (2.0 to 4.2) 549
Ibuprofen fast acting 200 7 828 270/478 34/350 57 10 5.7 (4.2 to 7.9) 2.1 (1.9 to 2.4) 3115
Ibuprofen fast acting 400 13 1364 427/658 85/466 65 18 3.9 (3.2 to 4.7) 2.1 (1.9 to 2.3) 5131
Ibuprofen + caffeine 100+100 2 200 43/99 0/101 43 0 45 (36.3 to 320) 2.4 (1.9 to 3.1) 633
Ibuprofen + caffeine 200+100 4 334 103/174 16/160 59 10 5.5 (3.5 to 8.7) 2.1 (1.9 to 3.1) 1256
Ibuprofen + codeine 400+26‐60 4 443 178/276 30/167 64 18 4.1 (2.8 to 5.9) 2.2 (1.8 to 2.6) 1571
Ibuprofen + paracetamol 200+500 3 508 240/349 10/159 69 6 10 (5.7 to 19) 1.6 (1.5 to 1.8) 2667
Ibuprofen + paracetamol 400+1000 3 543 278/384 10/159 72 6 11 (6.2 to 20) 1.5 (1.4 to 1.7) 3077
Ibuprofen + oxycodone 400+5 3 603 250/418 31/185 60 17 3.6 (2.6 to 5.1) 2.3 (2.0 to 2.8) 2019
Ketoprofen 12.5 3 274 77/138 18/136 56 13 4.2 (2.7 to 6.6) 2.4 (1.9 to 3.1) 868
Ketoprofen 25 8 535 175/281 31/254 62 12 4.9 (3.5 to 6.9) 2.0 (1.8 to 2.3) 2140
Ketoprofen 50 8 624 151/314 56/310 48 18 2.7 (2.0 to 3.5) 3.3 (2.7 to 4.3) 1267
Ketoprofen 100 5 321 106/161 28/160 66 18 3.6 (2.5 to 5.1) 2.1 (1.7 to 2.6) 1208
Lornoxicam 8 3 273 71/155 13/118 46 11 4.7 (2.7 to 8.1) 2.9 (2.3 to 4.0) 668
Lumiracoxib 400 4 578 183/366 17/212 50 8 6.9 (4.1 to 11) 2.4 (2.1 to 2.8) 1830
Naproxen 400/440 3 334 103/210 14/124 49 11 4.8 (2.8 to 8.4) 2.7 (2.2 to 3.5) 903
Naproxen 500/550 9 784 200/394 59/390 52 15 3.4 (2.6 to 4.4) 2.7 (2.3 to 3.3) 2120
Paracetamol 500 6 561 176/290 86/271 61 32 1.9 (1.6 to 2.3) 3.5 (2.7 to 4.8) 1042
Paracetamol 600/650 19 1886 358/954 145/932 38 16 2.4 (2.0 to 2.8) 4.6 (3.9 to 5.5) 2214
Paracetamol 975/1000 28 3232 876/1906 241/1329 46 18 2.7 (2.4 to 3.0) 3.6 (3.2 to 4.1) 5746
Paracetamol + codeine 600/650+60 17 1413 370/857 96/556 43 17 2.6 (2.2 to 3.2) 3.9 (3.3 to 4.7) 2210
Paracetamol + codeine 800/1000+60 3 192 64/121 5/71 53 7 6.3 (2.9 to 14) 2.2 (1.8 to 2.9) 681
Paracetamol + dextropropoxyphene 65+650 6 963 184/478 74/485 38 15 2.5 (2.0 to 3.2) 4.4 (3.5 to 5.6) 1226
Paracetamol + oxycodone 650+10 10 1043 346/680 49/363 51 14 3.9 (2.9 to 5.2) 2.7 (2.4 to 3.1) 2820
Paracetamol + oxycodone 1000+10 2 289 100/147 19/142 68 13 4.9 (3.2 to 7.6) 1.8 (1.6 to 2.2) 1317
Piroxicam 20 3 280 89/141 36/139 63 26 2.5 (1.8 to 3.3) 2.7 (2.1 to 3.8) 757
Rofecoxib 50 25 3688 1458/2519 134/1169 58 11 5.1 (4.3 to 6.1) 2.2 (2.0 to 2.3) 13,076