| 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 |