Table 8 Spearman Correlation Coefficients between NDI0, COM, NPQ, VAS, CSQ, and SF-12 (Day 15).
From: Psychometric characteristics of the Spanish version of instruments to measure neck pain disability
VAS (referred pain) | CSQ | NDI | NPQ | Physical Component Summary (PCS-12) | Mental Component Summary (MCS-12) | COM | |
|---|---|---|---|---|---|---|---|
VAS (NP) | 0.519 | 0.584 | 0.697 | 0.699 | -0.458 | -0.274 | 0.610 |
P | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
n | 221 | 219 | 221 | 221 | 214 | 214 | 215 |
VAS (referred pain) | 0.384 | 0.468 | 0.489 | -0.427 | -0.170 | 0.458 | |
P | 0.000 | 0.000 | 0.000 | 0.000 | 0.013 | 0.000 | |
n | 219 | 221 | 221 | 214 | 214 | 215 | |
CSQ | 0.667 | 0.669 | -0.536 | -0.357 | 0.567 | ||
P | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | ||
n | 219 | 219 | 212 | 212 | 213 | ||
NDI | 0.908 | -0.574 | -0.409 | 0.693 | |||
P | 0.000 | 0.000 | 0.000 | 0.000 | |||
n | 221 | 214 | 214 | 215 | |||
NPQ | -0.611 | -0.380 | 0.706 | ||||
P | 0.000 | 0.000 | 0.000 | ||||
n | 214 | 214 | 215 | ||||
Physical Component Summary (PCS-12) | -0.046 | -0.594 | |||||
P | 0.503 | 0.000 | |||||
n | 214 | 210 | |||||
Mental Component Summary (MCS-12) | -0.326 | ||||||
P | 0.000 | ||||||
n | 210 |