Table 3

Quality of life, pain, depression and functional ability measures
Mean ( SD ) at baseline Mean ( SD ) at 24 weeks F p
SF-12 PCS1 33.5 (10.5) 34.2 (11.4) 0.314 0.578
SF-12 MCS1 46.6 (11.9) 49.9 (10.8) 0.289 0.595
Pain Severity2 50.0 (26.4) 34.0 (23.3) 6.08 0.017
IADL Scale3 2.50 (1.98) 2.09 (2.02) 11.42 0.002
GDS4 scores >4 41.8% 28.9% Chi square11.9 0.001

1SF-12 Physical Component Summary (PCS) and Mental Component Summary (MCS) scores, range 0–100, where 50 = population mean and lower scores indicate poorer health related quality of life.

2MOS Pain Measures [33], Range 0–100, where higher scores indicate higher levels of pain.

3Instrumental Activities of Daily Living Scale [35], range 0 – 7, where 0 = fully independent, and higher scores indicate increased dependence on assistance.

4Geriatric Depression Scale [34]: Range 0–15, scores >4 indicate mild risk of depression, scores >10 indicate high risk.

Edwards et al.

Edwards et al. BMC Health Services Research 2013 13:86   doi:10.1186/1472-6963-13-86

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