Table 8.
Paired t-test for Heart Rates Without Exposure to Piano Music
| Location | Mean | SD | SE |
|---|---|---|---|
| Preoperative Holding area | 70.84 | 12.21 | 1.23 |
| Operating room | 76.76 | 11.04 | 1.17 |
| Difference | −5.92 | 1.17 | 0.06 |
t = −4.43; df = 87
P < .0001
2-tailed
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