Table 3.
Correlations between the ECOS-16 scores and the EUROQoL-5D, the four 7-point items scores and the MINI-OQLQ
| N | Spearman's correlation | |
| EUROQol-5D | ||
| Mobility | 315 | 0.643 |
| Self-care | 315 | 0.623 |
| Usual activities | 315 | 0.594 |
| Pain/Discomfort | 314 | 0.608 |
| Anxiety/Depression | 315 | 0.555 |
| VASa | 312 | -0.610 |
| General health status | 316 | 0.712 |
| Back pain | 313 | -0.741 |
| Limitation in daily activities | 313 | -0.822 |
| Emotional status | 313 | -0.791 |
| MINI-OQLQ b | ||
| Symptoms | 104 | -0.711 |
| Physical function | 104 | -0.670 |
| Activities of daily living | 104 | -0.455 |
| Emotional function | 104 | -0.473 |
| Leisure | 104 | -0.736 |
aPearson's Correlation Coefficient; bOutpatients only; All correlations are statistically significant at the 0.001 level