Table 5.
Healthcare resource use: bivariate comparisons for continuous variables
| Matched comparisons (unadjusted) | Diagnosed CLBP (N=392)
|
No back pain (N=392)
|
p-value | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| HCP visits in the prior 6 months | 12.90 | 16.43 | 4.67 | 8.29 | <0.001 |
| ER visits in prior 6 months | 0.31 | 1.98 | 0.08 | 0.53 | 0.028 |
| Hospitalizations in prior 6 months | 1.31 | 6.44 | 0.91 | 6.79 | 0.400 |
| Regression-estimated (adjusted) means | Mean | SE | Mean | SE | p-value |
| HCP visits | 11.4 | 0.9 | 4.8 | 0.4 | <0.001 |
| ER visits | 0.16 | 0.05 | 0.09 | 0.03 | 0.163 |
| Hospitalizations | Regression failed to converge | ||||
Abbreviations: CLBP, chronic lower back pain; ER, emergency room; HCP, healthcare provider; SE, standard error.