Table 1.
Association between miscarriage and NSAID use as assessed in five periods before miscarriage
|
Without gestational age2
|
Including gestational age (new analysis)
|
|||||
|---|---|---|---|---|---|---|
| Week before miscarriage | Odds ratio | 95% CI | Cases exposed to NSAIDs (n=1554) | Controls exposed to NSAIDs (n=15 677) | Odds ratio | 95% CI |
| 1 | 6.99 | 2.75-17.74 | 3 | 8 | 3.35 | 0.88 to 12.79 |
| 2-3 | 3.00 | 1.21-7.44 | 5 | 33 | 1.50 | 0.58 to 3.86 |
| 4-6 | 4.38 | 2.66-7.20 | 18 | 122 | 1.50 | 0.91 to 2.47 |
| 7-9 | 2.69 | 1.81-4.00 | 16 | 100 | 1.59 | 0.93 to 2.70 |
| 10-12 | 1.26 | 0.85-1.87 | 3 | 50 | 0.58 | 0.18 to 1.85 |
NSAIDs=non-steroidal anti-inflammatory drugs.