Chest pain in primary care: is the localization of pain diagnostically helpful in the critical evaluation of patients? - A cross sectional study

Table 2 Comparison of different pain regions: Hausdorff-distance based clustering results

Group comparisons	C-Index	p-value
CHD vs. all other chest pain etiologies	0.563	0.99
CHD vs. chest wall syndrome (CWS)	0.539	0.97
CHD vs. GERD	0.504	0.27
CHD vs. psychogenic chest pain	0.498	0.30
CHD (male patients) vs. CHD (female patients)	0.496	0.140
CWS patients who assume a cardiac origin of their pain vs. CWS patients who do not assume a cardiac origin	0.450	< 0.001

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