Table 1.

Probability^* of the SAMMPRIS Primary Endpoint For SAMMPRIS Medical Patients and SAMMPRIS-Eligible WASID Patients

Months after Randomization	Study
	SAMMPRIS (n=227) Probability of Primary Endpoint (95% CI)	WASID (n=143) Probability of Primary Endpoint (95% CI)
1	5.8% (3.4% – 9.7%)	10.5% (6.5% – 16.9%)
6	8.9% (5.9% – 13.5%)	17.9% (12.5% – 25.4%)
12	12.6% (8.9% – 17.8%)	21.9% (15.8% – 29.9%)
24	14.1% (10.1% – 19.4%)	23.7% (17.4% – 31.9%)
36	14.9% (10.7% – 20.6%)	28.9% (21.1% – 38.8%)
p-value†	0.009

^*Kaplan-Meier estimates of the cumulative probability of a primary endpoint at the specified months after randomization.

^†p-value for the log-rank test comparing the Kaplan-Meier curves of the two studies.