Table 1 Clinical features of acute and persistent PTH patients included in the study
From: Exploring naturally occurring clinical subgroups of post-traumatic headache
Clinical Variables | Acute PTH (n = 150) | Persistent PTH (n = 150) | Statistical Difference |
|---|---|---|---|
Age, years: median (IQR) | 44 (28, 59) | 50 (36, 58) | Mann-Whitney p = 0.16 |
Female:Male ratio | 2.8 | 2.5 | Chi-squared p = 0.60 |
Duration of PTH, months: median (IQR) | 0.7 (0.23, 1) | 24 (12, 48) | Mann-Whitney p < 0.00001 |
History of migraine: n (%) | 8 (5%) | 59 (40%) | RR = 2.4 95% CI 2, 3 p < 0.0001 |
Previous head injury: n (%) | 8 (5%) | 37 (25%) | OR = 5.8 95% CI 2.6, 13 p < 0.0001 |
Loss of consciousness: n (%) | 12 (8%) | 32 (21%) | OR = 3.1 95% CI: 1.5, 6.3 p = 0.0016 |
Medication overuse: n (%) | 1 (0.007%) | 58 (39%) | RR = 2.6 95% CI: 2.2, 3.0 p < 0.0001 |
Pre-existing psychological history: n (%) | 27 (18%) | 78 (52%) | OR = 5 95% CI 3, 8.3 p < 0.0001 |
New PTH-associated comorbidities: n (%) | 103 (69%) | 147 (98%) | RR = 9.8 95% CI 3.3, 29.5 p < 0.0001 |