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. 2022 Sep 30;23(1):129. doi: 10.1186/s10194-022-01490-0

Table 1.

Demographic characteristics and textual characteristics for the main corpus and corpus with headache attack descriptions

Corpus with full texts Corpus with headache attack descriptions only
All patients Migraine Cluster headache All patients Migraine Cluster headache
Number 121 81 40 112 74 38
Mean age in years (SD) 45 (13) 43.1 (12) 48.9 (14.2) 45 (13) 42 (12) 50 (13.6)
Number of females (percentage) 72 (60%) 64 (80%) 8 (20%) 68 (60.7%) 61 (82.4%) 7 (18.4%)
Tokens per text: median (Q1-Q3) 476 (218–765) 474 (227–745) 508 (198–794) 156 (80–242) 152 (84–242) 156 (71–223)
Types per text: median (Q1-Q3) 231 (130–321) 224 (131–317) 236 (126–341) 94 (60–131) 89 (61–133) 96 (55–122)
Sentences per text: median (Q1-Q3) 23 (10–42) 23 (11–41) 22 (8–40) 7 (3–12) 8 (4–12) 5 (2–11)

Legend: Q1 Lower quartile, Q3 Upper quartile, SD Standard deviation