Table 3 15D dimensions and score at baseline in total joint replacement patients withand without co-morbidity. Levene's Test for Equality of Variances

Mean

SE

Mean

SE

Mean difference

P-value

Moving

0.590

0.137

0.626

0.137

0.036

0.000***

Seeing

0.905

0.181

0.934

0.152

0.030

0.015*

Hearing

0.915

0.154

0.945

0.129

0.031

0.003**

Breathing

0.812

0.235

0.937

0.138

0.125

0.000***

Sleeping

0.723

0.217

0.738

0.210

0.014

0.375

Eating

0.991

0.057

0.997

0.032

0.006

0.051

Communication

0.986

0.070

0.993

0.046

0.007

0.102

Elimination

0.827

0.216

0.910

0.162

0.083

0.000***

Usual activities

0.643

0.222

0.679

0.239

0.036

0.045*

Mental

0.889

0.176

0.906

0.162

0.017

0.180

Discomfort and symptoms

0.506

0.236

0.540

0.240

0.033

0.065

Depression

0.837

0.171

0.854

0.167

0.016

0.196

Distres

0.848

0.177

0.865

0.162

0.017

0.168

Vitality

0.737

0.179

0.789

0.153

0.052

0.000***

Sexual activity

0.732

0.281

0.783

0.243

0.051

0.008**

15D-index

0.778

0.092

0.816

0.281

0.038

0.000***