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Table 1 Demographics, headache severity, and comorbidities

From: Phenotype of new daily persistent headache: subtypes and comparison to transformed chronic daily headache

 

NDPH

(n = 366)

T-CDH

(n = 696)

Age (mean ± SD)

37.9 ± 14.4

40.3 ± 15.2

Sex, females (frequency, percentage)

229 (62.6%)

510 (73.3%)

Headache frequency, days per month (mean ± SD)

28 ± 0

28 ± 0

Headache intensity, 0–10 scale (mean ± SD)

7.65 ± 1.63

8.15 ± 1.32

Medication overuse

57 (15.6%)

293 (42.1%)

Clinical diagnosis of depression

74 (20.2%)

166 (23.8%)

Clinical diagnosis of anxiety

58 (15.8%)

122 (17.5%)

Clinical diagnosis of joint hypermobility syndrome

41 (11.2%)

129 (18.5%)

HIT 6

n = 278

n = 517

Median score (range)

67 (36–78)

67 (36–78)

Proportion in severe impact range (score ≥ 60)

242 (87.1%)

471 (91.1%)

MIDAS

N = 273

N = 493

Median score (range)

90 (0–270)

84 (0–270)

Proportion in severe impact range (score ≥ 21)

238 (87.2%)

430 (87.2%)

HADS-A

N = 282

N = 518

Median score (range)

8 (0–21)

9 (0–21)

Proportion in abnormal range (score ≥ 11)

100 (35.5%)

204 (39.4%)

HADS-D

N = 282

N = 520

Median score (range)

8 (0–21)

8 (0–21)

Proportion in abnormal range (score ≥ 11)

110 (39.0%)

167 (32.1%)

  1. HADS-A Anxiety subset of Hospital Anxiety and Depression Scale; HADS-D Depression subset of Hospital Anxiety and Depression Scale, HIT-6, six-item Headache Impact Test, MIDAS Migraine Disability Assessment Test