Table 2.

Clarification of the borderline statistical significance of differences in APC between the subgroups by the Mann Whitney test.

Time-point, min	“Negative NTG responders” vs “sumatriptan at 4 mg/kg”, P-value	“Sumatriptan at 4 mg/kg” vs “sumatriptan at 10 mg/kg”, P-value
0	0.004, U = 1	NS
15	0.009, U = 2	NS
30	0.004, U = 1	NS
45	0.004, U = 1	NS
60	0.009, U = 2	NS
75	0.004, U = 1	NS
90	0.002, U = 0	NS
105	0.002, U = 0	NS
120	0.004, U = 1	NS
135	0.004, U = 1	NS
150	0.004, U = 1	0.04, U = 5

NS no significant differences between the subgroups by the Mann Whitney test.