Short-term diagnostic stability of probable headache disorders based on the International Classification of Headache Disorders, 3rd edition beta version, in first-visit patients: a multicenter follow-up study

Table 1 Baseline characteristics of study patients

Characteristics	n = 216
Age, years	47.7 ± 13.5
Female	113 (52.3)
Headache intensity (0–10 VAS)	5.9 ± 2.2
Duration of current headache bout, months	0.8 (0.2–3.0)
Onset age, years	45.7 ± 14.2
Headache subtype
Probable migraine	83 (38.4)
Probable TTH	95 (44.0)
Probable TAC	7 (3.2)
Probable OPHD	25 (11.6)
Headache probably attributed to RCVS	6 (2.8)

Data are presented as means ± standard deviation, medians with interquartile range or as numbers (%)
Abbreviations: VAS visual analogue scale, TTH tension-type headache, TAC trigeminal autonomic cephalalgias, OPHD other primary headache disorders, RCVS reversible cerebral vasoconstriction syndrome

ISSN: 1129-2377