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Table 8.
Confidence intervals in pain
| Mean ± SD | 95% CI | ||
|---|---|---|---|
| Upper limit | Lower limit | ||
| Laser | 2.901 ± 0.453 | 3.815 | 1.986 |
| Placebo | 0.427 ± 1.77 | 5.283 | 3.370 |