Table 1

Sample characteristics of CVD patients (n= 1.570) and COPD patients (n= 917)
Patient population p value*
CVD patients COPD patients
% or Mean (SD) % or Mean (SD)
Age 63.99 (10.19) 66.11 (10.57) 0.000
Gender (female) 48% 47% 0.523
Marital status (married) 74% 67% 0.000
Educational level (1–6) 2.46 (1.74) 1.92 (1.58) 0.000
Quality of life
Physical Component Score 42.83 (10.47) 39.07 (10.16) 0.000
Mental Component Score 49.28 (9.75) 47.52 (10.95) 0.000
Depressive symptoms 4.27 (3.63) 5.23 (4.11) 0.000

Notes. *p-value = differences between groups established with t Test or Chi-square.

CVD, Cardio Vascular Diseases.

COPD, Chronic Obstructive Pulmonary Disease.

SD, Standard Deviation.

Cramm and Nieboer

Cramm and Nieboer BMC Health Services Research 2012 12:242   doi:10.1186/1472-6963-12-242

Open Data