Table 3.
A summary of the correlation values between BRS and the dependent variables of interest.
| Variable | Correlation value (r) | P value |
|---|---|---|
| Age | 0.083 | .446 |
| Sex | 0.233 | .031 |
| Race | 0.029 | .794 |
| BMI | −0.054 | .620 |
| Preop VR-12 MCS | 0.270 | .013 |
| Preop KOOS, Jr. | 0.082 | .456 |
| Preop KSS Functional Activities | 0.149 | .180 |
| Preop KSS Patient Expectations | 0.101 | .363 |
| Preop KSS Patient Satisfaction | −0.007 | .948 |
| Preop KSS Symptoms | 0.100 | .385 |
| Postop VR-12 MCS | 0.428 | <.001 |
| Postop KOOS, Jr. | 0.091 | .411 |
| Postop KSS Functional Activities | 0.215 | .062 |
| Postop KSS Patient Expectations | 0.176 | .125 |
| Postop KSS Patient Satisfaction | 0.112 | .328 |
| Postop KSS Symptoms | 0.059 | .609 |
| Reoperations | −0.002 | .989 |
| Complications | 0.061 | .575 |
| 6-Month preop opioid usage (MME) | −0.121 | .290 |
| 6-Month postop opioid usage (MME) | −0.157 | .166 |
| Change in VR-12 MCS | 0.080 | .478 |
| Change in KOOS, Jr. | 0.033 | .767 |
| Change in KSS Functional Activity | 0.075 | .524 |
| Change in KSS Patient Expectation | 0.105 | .368 |
| Change in KSS Patient Satisfaction | 0.113 | .334 |
| Change in KSS Symptom | 0.036 | .756 |
Those with correlation values between -0.200 and 0.200 had no correlation, between 0.200 and 0.400 had moderate correlation, and values >0.400 had strong correlation.