Table 2.
NRS Mean Difference for Each ASA Class Groups
| (A) ASA | (B) ASA | Mean Difference (A-B) | Std. Dev | P-value | 95% CI | |
|---|---|---|---|---|---|---|
| Low Limit | High Limit | |||||
| ASA 1 | ASA 2 | 0.76 | 0.41 | 0.157 | −0.21 | 1.74 |
| ASA 3 | 0.39 | 0.54 | 0.754 | −0.90 | 1.68 | |
| ASA 2 | ASA 1 | −0.76 | 0.41 | 0.157 | −1.74 | 0.21 |
| ASA 3 | −0.37 | 0.42 | 0.655 | −1.38 | 0.63 | |
| ASA 3 | ASA 1 | −0.39 | 0.54 | 0.754 | −1.68 | 0.90 |
| ASA 2 | 0.37 | 0.42 | 0.655 | −0.63 | 1.38 | |
Abbreviations: NRS, numeric rating scale; ASA, American society of anesthesiologists classification; Std. Dev, standard deviation; C.I, confidence interval.