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| 95% Conf. interval of the difference | |
| Study group Mean ± SD | Placebo group Mean ± SD | Mean difference | T value | P value | Lower | upper |
Preopeartive period: Anxiety VAS | 9.6 ± 1.7 | 9.3 ± 2.5 | 0.32 | 0.79 | 0.428 | −0.47 | 1.10 |
Preoperative period: Pain VAS | 7.1 ± 1.9 | 6.0 ± 1.8 | 1.03 | 3.07 | 0.203 | 0.37 | 1.69 |
Intraoperative period: Pain VAS by ext observer | 1.1 ± 0.5 | 1.9 ± 0.9 | −0.48 | −3.39 | 0.001 | −0.77 | −0.20 |
Intraoperative period: Pain by patients | 3.2 ± 2.1 | 6.6 ± 1.8 | −3.40 | −9.52 | 0.000 | −4.11 | −2.69 |
Postoperative period: Satisfaction visual Analogue | 8.8 ± 1.9 | 5.2 ± 3.4 | 3.62 | 7.18 | 0.000 | 2.62 | 4.61 |