Table 3 Lexicon-based sentiment analysis statistics of the attack descriptions

All patients

86% negative (104/121),

14% positive (17/121)

96% negative (107/112),

4% positive (5/112)

Cluster headache

85% negative (34/40),

15% positive (6/40)

95% negative (36/38),

5% positive (2/38)

Migraine

86% negative (70/81),

14% positive (11/81)

96% negative (71/74),

4% positive (3/74)