Table 3.

Absence of nausea at consecutive timepoints.

Treatment	1 hour n/N (%)	2 hours n/N (%)	4 hour n/N (%)
RI	7/27 (25.9%)	12/27 (44.4%)	17/27 (63%)
RI + RO	18/28 (35.7%)	20/28 (71.4%)	24/28 (85.7%)
RI + TA	5/25 (20%)	17/25 (68%)	22/25 (88%)
P value	NS for all comparisons	P = 0.01 for RI vs RI + RO P = 0.09 for RI vs RI + TA NS for RI + RO vs RI + TA	P = 0.04 for RI vs RI + RO P = 0.03 for RI vs RI + TA NS for RI + RO vs RI + TA

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