Table 2.
Descriptive statistics of the QUALEFFO-41 and EQ-5D questionnaires
| Questionnaire domain |
Mean (SD) |
Missing values inside domain (%) |
Floor (%) |
Ceiling (%) |
||||
|---|---|---|---|---|---|---|---|---|
| Controls | Cases | Controls | Cases | Controls | Cases | Controls | Cases | |
| QUALEFFO-41 |
|
|
|
|
|
|
|
|
| Pain |
40.78 (32.58) |
55.20* (26.22) |
13 (5.20) |
9 (3.60) |
2.00 |
6.00 |
30.00 |
8.00 |
| Physical function |
23.65 (18.64) |
42.56** (22.26) |
10 (1.18) |
14 (1.65) |
4.00 |
4.00 |
10.00 |
2.00 |
| Social function |
52.15 (23.16) |
67.70** (23.47) |
10 (1.18) |
77 (22.00) |
8.00 |
6.00 |
2.00 |
2.00 |
| General health perception |
64.08 (19.69) |
74.33* (21.68) |
2 (1.33) |
1 (0.67) |
16.00 |
24.00 |
2.00 |
2.00 |
| Mental function |
28.40 (14.59) |
38.10* (15.66) |
4 (0.89) |
8 (1.78) |
2.00 |
2.00 |
2.00 |
4.00 |
| Total QUALEFFO-41 score |
35.71 (16.73) |
51.86* (19.00) |
|
|
|
|
|
|
| EQ-5D |
|
|
|
|
|
|
|
|
| HSV |
0.58 (0.20) |
0.46* (0.28) |
10 (4.00) |
10 (4.00) |
|
|
|
|
| VAS scale | 50.46 (23.21) | 48.60 (21.54) | 4 (8.00) | 2 (4.00) | ||||
*P<0.05, **P<0.001, ANCOVA
SD, Standard Deviation
QUALEFFO-41, Quality of Life Questionnaire of the European Foundation for Osteoporosis
EQ-5D, EuroQol Group Questionnaire
HSV, Health State Value
VAS, Visual Analogue Scale