Table 2.

Data on confirmed complicated PUBS in the VIGOR study.

	No Baseline Steroid Use		Baseline Steroid Use
N Patients with confirmed complicated PUBS Patient-years at risk Rate (per 100 patient-years at risk) Incidence Rate Ratio (with the rate under Naproxen in the numerator) 95% CI p-value of exact (homogeneity) test, comparing the IRRs across the two groups defined by baseline steroid use	Vioxx	Naproxen	Vioxx	Naproxen
	1803	1776	2244	2253
	9	10	7	27
	1184	1178	1513	1516
	0.76	0.85	0.46	1.78
	1.12		3.85
	(0.41, 3.11)		(1.64, 10.47)
	p = 0.047