Table 2.

Pain free rates at consecutive timepoints.

Treatment	1 hour n/N (%)	2 hours n/N (%)	4 hour n/N (%)
RI	9/58 (15.5%)	22/58 (37.9%)	40/58 (69%)
RI + RO	14/62 (22.6%)	39/62 (62.9%)	60/62 (82.3%)
RI + TA	13/64 (20.3%)	26/64 (40.6%)	50/64 (79.1%)
P value	NS for all comparisons	P = 0.008 for RI vs RI + RO P = 0.009 for RI vs RI + TA NS for RI + RO vs RI + TA	NS for all comparisons

RI: rizatriptan; RO: rofecoxib; TA: tolfenamic acid; n: number of attacks with nausea; N: number of treated attacks.