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Correlation (Spearman) between the proportion of positive responses and Friends and Family Test score (those who would probably or definitely recommend the practice)
| Proportion positive vs Friends and Family Test score | Proportion negative vs Friends and Family Test score | |
| Correlation coefficient | 0.595* | −0.625* |
| Significance (2-tailed) | 0.000 | 0.000 |
| Total number | 70 | 70 |
*Correlation is significant at the 0.01 level (2-tailed).
