TABLE 2.
Patterns of NSAID use for cases and control subjects in the National Birth Defect Prevention Study, 1997–2004
| Variable | All cases combined, n (%)a | Control subjects, n (%)b |
|---|---|---|
| Exposed to NSAIDs | 2393 (16.0) | 780 (14.0) |
| Oral route | 2388 (99.8) | 778 (99.7) |
| Other routes | 5 (0.2) | 2 (2.6) |
| Single component | 2241 (93.6) | 731 (93.7) |
| Multiple components | 146 (6.1) | 48 (6.2) |
| Oral, single component | 2239 (93.6) | 730 (93.6) |
| NSAIDs as needed | 1085 (7.3) | 367 (6.6) |
| Oral route | 1083 (99.8) | 367 (100) |
| Other routes | 2 (0.18) | 0 |
| Single component | 1023 (94.3) | 349 (95.1) |
| Multiple components | 62 (5.7) | 18 (4.9) |
| Oral, single component | 1021 (94.1) | 349 (95.1) |
NSAIDs, nonsteroidal antiinflammatory drugs.
a
n = 14,915 women;
b
n = 5546 women.