Table 4 Correlations between global health change scale and baseline and follow-up SF-6D scores.

Study/patient group

N

r

p-value

r

p-value

Older adults (aged >65 years): 1st follow-up

4945

0.324

0.001

0.390

0.001

Older adults (aged >65 years): 2nd follow-up

3127

0.395

0.001

0.514

0.001

Irritable bowel syndrome (IBS) patients

137

0.311

0.001

0.441

0.001

Irritable bowel syndrome (IBS) control patients

177

0.094

0.215

0.202

0.007

Leg ulcer patients

194

0.041

0.572

0.309

0.001

Knee Osteoarthritis (OA) patients

157

0.300

0.001

0.559

0.001

Limb reconstruction patients

60

-0.007

0.959

0.458

0.001

Early Rheumatoid Arthritis (RA) patients

246

0.147

0.021

0.524

0.001

Patients with Chronic Obstructive Pulmonary Disease (COPD)

60

0.391

0.002

0.547

0.001