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Table 2 Mean SF-36 scale scores for general practice patients by disease groups

From: Health-related quality of life among general practice patients with differing chronic diseases in Germany: Cross sectional survey

  PF RP BP GH VT SF RE MH
Reference group (n = 428) 82.8 69.1 68.6 64.0 54.1 77.7 72.6 67.0
Hypertension2 ** (n = 217) 71.5*** 58.4** 62.9** 56.3*** 56.8 79.2 77.8 72.4*
Diabetes2 ** (n = 78) 66.5*** 56.7* 62.4 58.0** 59.1* 80.4 80.4* 75.1**
Asthma/COPD1 *** (n = 54) 68.1*** 42.7*** 59.5* 47.4*** 47.7* 73.8 71.4 66.4
Heart disease1 *** (n = 78) 59.7*** 44.2*** 57.2** 49.7*** 46.9* 74.7 61.7 67.4
OA knee1 *** (n = 17) 62.7** 46.7** 48.8** 53.0* 57.7 80.2 89.6* 72.6
Other joint diseases1 * (n = 30) 63.4** 48.2* 47.4** 56.1 51.1 75.8 69.1 65.8
Depression2 ** (n = 63) 68.3*** 48.9** 55.5** 54.0*** 39.2*** 59.0*** 39.6*** 46.6***
Cancer1 * (n = 38) 66.6** 49.2 58.6 51.8** 52.0 71.3 63.6 63.5
Back pain1 *** (n = 193) 72.2*** 52.7*** 49.7*** 58.4** 51.8 76.5 70.9 67.2
Polyarthritis1 * (n = 13) 57.8*** 46.2* 46.8** 46.6* 47.9 70.2 55.6 63.3
Other mental illness1 (n = 29) 80.9 61.0 69.0 54.1 47.0* 66.1 53.8* 56.9*
Migraine1 (n = 25) 78.9 60.9 55.1* 60.5 49.2 75.5 84.1 68.7
  1. PF: physical functioning; RP: role physical; BP: bodily pain; GH: general health; VT: vitality; SF: social functioning; RE: role emotional; MH: mental health. * P < 0.05, ** P < 0.01, *** P < 0.001 1. Multivariate Analysis of Variance (Hotelling T2) for groups with equal covariance matrices: there were significant differences between all these disease groups and the reference group except other mental illness and migraine groups. 2. Mann-Whitney U test with Bonferroni correction for groups with unequal covariance matrices: there were significant differences between these disease groups and the reference group.