Relationship between TPS and VAS by centre
| Centre | N (%) | Mean TPS (95% CI) | p Value* | Mean VAS (95% CI) | p Value* |
|---|---|---|---|---|---|
| Centre I | 45 | 14.2 (12.7 to 15.7) | 4.5 (4.0 to 5.1) | ||
| Centre II | 42 | 10.9 (9.5 to 12.4) | 4.7 (4.0 to 5.4) | ||
| Centre III | 24 | 12.0 (10.1 to 14.2) | 6.3 (5.4 to 7.2) | ||
| Centre IV | 46 | 13.0 (11.7 to 14.2) | 5.5 (5.2 to 5.9) | ||
| Centre V | 67 | 13.9 (12.9 to 15.0) | 4.2 (3.8 to 4.6) | ||
| Centre VI | 50 | 14.7 (13.2 to 16.3) | 4.4 (3.6 to 5.2) | ||
| Centre VII | 53 | 13.1 (11.8 to 14.3) | 4.6 (4.0 to 5.3) | ||
| Total | 327 | 13.3 (12.8 to 13.8) | 0.004 | 4.8 (4.5 to 5.0) | <0.001 |
*ANOVA.
ANOVA, analysis of variance; TPS, Thirty Point Score; VAS, visual analogue scale.