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Table 4 Health related QOL measured by SF-12 in HAS and OAI subjects

From: Absence of pain in subjects with advanced radiographic knee osteoarthritis

Variables HAS OAI
  Non-OA (n = 103) Advanced OA without pain (n = 11) Advanced OA with pain (n = 36) Non-OA (n = 588) Advanced OA without pain (n = 33) Advanced OA with pain (n = 521)
Physical functioning (PF) 66.99 ± 33.43 47.72 ± 28.4* 27.85 ± 32.52* 85.31 ± 25.26 84.38 ± 25.20 69.08 ± 30.91*
Role physical (RP) 75.36 ± 32.01 70.45 ± 25.16 35.71 ± 32.81* 84.41 ± 21.40 81.25 ± 23.97 70.47 ± 25.20*
Bodily pain (BP) 82.03 ± 25.34 75 ± 27.38 41.42 ± 30.88* 82.84 ± 21.27 85.16 ± 21.87 70.13 ± 24.37*
General health (GH) 48.2 ± 24.19 44.09 ± 30.56 25.42 ± 25.15* 80.96 ± 19.06 77.66 ± 17.27 73.39 ± 19.54*
Vitality (VT) 37.62 ± 29.67 27.27 ± 23.59 18.57 ± 22.96* 65.33 ± 21.09 70.31 ± 16.11 61.03 ± 21.69*
Social functioning (SF) 87.86 ± 24.21 81.81 ± 35.51 68.57 ± 33.39* 90.32 ± 18.69 98.44 ± 8.84* 89.50 ± 19.85
Role emotional (RE) 86.04 ± 21.53 93.18 ± 16.16 72.5 ± 35.32 91.04 ± 15.60 93.75 ± 14.89 87.86 ± 19.47*
PCS 68.14 ± 24.16 59.31 ± 21.43 32.6 ± 24.25* 80.38 ± 17.72 82.11 ± 18.20 70.76 ± 20.32*
MCS 71.6 ± 18.71 67.61 ± 20.12 55.98 ± 23.01* 80.60 ± 14.59 86.13 ± 9.72 79.00 ± 14.97*
  1. PCS Physical component summary, MCS Mental component summary. Data are presented as the mean ± SD. *: P value < 0.05 versus non-OA patients by Mann Whitney test within group