Table 2.
Responses to the EQ-5D-5L’s five items in the three groups
| Response level | P-value | ||||||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | vs Group 1 | vs Group 2 | |
| Mobility | |||||||
| Group 1 | 194 (65%) | 51 (17%) | 26 (9%) | 23 (8%) | 6 (2%) | – | – |
| Group 2 | 146 (48%) | 88 (29%) | 41 (13%) | 21 (7%) | 10 (3%) | < 0.001 | – |
| Group 3 | 165 (50%) | 100 (30%) | 47 (14%) | 17 (5%) | 2 (1%) | 0.004 | 0.310 |
| Self-care | |||||||
| Group 1 | 243 (81%) | 28 (9%) | 16 (5%) | 8 (3%) | 5 (2%) | – | – |
| Group 2 | 242 (79%) | 40 (13%) | 12 (4%) | 5 (2%) | 7 (2%) | 0.657 | – |
| Group 3 | 271 (82%) | 42 (13%) | 10 (3%) | 6 (2%) | 2 (1%) | 0.606 | 0.322 |
| Usual activities | |||||||
| Group 1 | 150 (50%) | 92 (31%) | 31 (10%) | 22 (7%) | 5 (2%) | – | – |
| Group 2 | 122 (40%) | 123 (40%) | 32 (10%) | 16 (5%) | 13 (4%) | 0.045 | – |
| Group 3 | 167 (50%) | 95 (29%) | 43 (13%) | 22 (7%) | 4 (1%) | 0.998 | 0.045 |
| Pain/discomfort | |||||||
| Group 1 | 122 (41%) | 126 (42%) | 39 (13%) | 10 (3%) | 3 (1%) | – | – |
| Group 2 | 118 (39%) | 140 (46%) | 31 (10%) | 12 (4%) | 5 (2%) | 0.807 | – |
| Group 3 | 136 (41%) | 137 (41%) | 40 (12%) | 15 (5%) | 3 (1%) | 0.988 | 0.784 |
| Anxiety/depression | |||||||
| Group 1 | 188 (63%) | 85 (28%) | 16 (5%) | 7 (2%) | 4 (1%) | – | – |
| Group 2 | 169 (55%) | 100 (33%) | 24 (8%) | 10 (3%) | 3 (1%) | 0.057 | – |
| Group 3 | 206 (62%) | 93 (28%) | 22 (7%) | 10 (3%) | 0 (0%) | 0.896 | 0.068 |
The number (%) was reported for each response level. Responses 1 to 5 correspond to no problems, slight problems, moderate problems, severe problems, and extreme problems, respectively (wording differs according to the items). Groups 1, 2, and 3 consisted of the two questionnaire types that had the EQ-5D-5L in the first, second, and last places, respectively