Table 5.

Odds ratios (ORs) and 95% confidence intervals (95% CIs) for short-term, continuing and recent use of nonaspirin nonsteroidal anti-inflammatory drugs.

Type of NANSAID use	Cases	Controls	OR (95% CI)
Short-term	53	22	11.7 (6.5, 21.0)
Continuing	353	268	5.6 (4.6, 7.0)
Recent	52	59	3.2 (2.1, 5.1)

All odds ratios are relative to nonuse of any NANSAID or aspirin and are adjusted for use of aspirin, ketoprofen and anticoagulants, smoking, and history of UGI problems. One control took a NANSAID in the week before bleed, but it was not known if they took it before that.