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Table 2 Comparison between idiopathic NH and post-traumatic cases

From: Clinical characteristics of nummular headache and differentiation between spontaneous and posttraumatic variant: an observational study

  Idiopathic
(n = 196)
Post-traumatic
(n = 29)
p
Sex (M/F) 37.8 / 62.2% 20.7 / 79.3% NS
Age (years) 50.9 ± 17.6 62.5 ± 16.6 0.01
Age at onset (years) 48.16 ± 18.0 49.53 ± 19.4 < 0.01
Evolution (months) 32.1 ± 61 27.9 ± 63.6 NS
Quality
 -Opressive 46.6% 36.7% NS
 -Burning 16.1% 33.3% NS
 -Stabbing 17.1% 20%  
 -Throbbing 5.2% 0%  
Side (R / L / S) 50.2 / 40.1 / 9.7% 50 / 40 / 10% NS
Location
 -Tuber Parietal 31.8% 26.7% NS
 -Occipital 24.4% 16.7% NS
 -Frontal 20.7% 13,3%  
 -Temporal 8,3% 23.3%  
Circular/Ovoid 80,6/ 19,4% 83,3 / 16,7% NS
Intensity 5.2 ± 1.6 5 ± 1.9 NS
Temporal pattern
  Chronic / episodic / recent 42.9 / 23.1 /34% 43.3 / 20 / 36.7% NS
Allodynia 32.7% 53.3% 0.02
Touch sensitivity 29% 46.7% 0.04
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