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. 2008 Oct 31;33(5):1217–1222. doi: 10.1007/s00264-008-0682-0

Table 3.

Multivariable analysis of effective predictors of HRQoL in total hip replacement patients over a five-year perioda

Variablesb PF RP RE SF BP VT MH GH PCS MCS
Intercept 32.97** 15.00** 26.01** 59.32** 42.62** 34.39** 49.28** 37.66** 18.82** 42.44**
Time
Third month 20.59** 28.84** 38.85** 16.78** 3.51** 10.29** 8.49** 11.62** 7.25** 6.85**
Sixth month 29.81** 37.89** 47.20** 25.07** 4.10** 11.14** 9.67** 13.96** 10.49** 7.87**
First year 38.89** 53.97** 49.83** 31.64** 4.91** 14.26** 9.91** 16.75** 14.52** 7.89**
Second year 40.80** 67.37** 51.63** 38.39** 5.25** 15.13** 11.62** 19.31** 16.62** 8.90**
Fifth year 48.51** 79.41** 56.70** 44.38** 5.58** 26.73** 20.33** 29.65** 19.93** 12.84**
Patient attributes
Age −0.15** −0.01 −0.06 −0.14** −0.04* 0.01 0.02 −0.01 −0.03 −0.01
Gender 3.49** 4.23 1.98 −0.20 0.51 2.75** 3.58** 2.92* 1.41** 0.44
Comorbidity −0.06 −1.01 −1.09 −1.29* −0.93** −0.75 −0.88 −1.78** −0.03 −0.68
Preop pain score 0.01 0.15 0.35** 0.02 0.07** 0.11 0.06 0.11* 0.02 0.07*
Preop physical function score 0.43** 0.48** 0.09 0.27** 0.06** 0.11 0.04 0.14** 0.16** 0.01
Hospital attributes
Surgeon −0.52 2.37 3.42 −6.81** 0.17 7.65** 4.72** 2.00 −0.26 1.68**
Anaesthesia 5.03** 5.52* 1.35 2.37 0.59 3.99** 2.72** 3.49** 1.85** 0.94
Quality of care
Rehosp_30 −23.35** −10.23 −23.52 −16.58** −3.70** −5.32** −4.26 −9.55 −7.15 −3.18

PF physical function, RP role physical, RE role emotional, SF social function, BP bodily pain, VT vitality, MH mental health, GH general health, PCS physical component summary score, MCS mental component summary score, Comorbidity number of comorbidities, Pre-op pain score preoperative pain element of Harris hip score, Pre-op physical function score preoperative physical function element of Harris hip score, Rehosp_30 Readmission within 30 days

aP value denotes the significance of differences between each time point and baseline

bGender: 0 = female, 1 = male; Physician: 1 = surgeon A, 2 = surgeon B; Type of anaesthesia: 1 = general anaesthesia, 2 = spinal or epidural anaesthesia; Readmission within 30 days: 0 = no, 1 = yes

*P < 0.05; **P < 0.01