From: Refining clinical features and therapeutic options of new daily persistent headache: a retrospective study of 63 patients in India
NDPH with No trigger factors n = 29
NDPH with trigger factors n = 34
p value
Excellent, n (%)
7 (24 %)
16 (47 %)
0.0714
Good, n (%)
10 (34 %)
9 (26 %)
0.5855
Fair, n (%)
6 (21 %)
6 (18 %)
1.0
Poor, n (%)
3 (9 %)
0.2804