Table 3 Incidence and pain score of POST and incidences of postoperative hoarseness and oral dryness (\(\bar x \pm s,\) n = 60)
Control group (n = 60) | Thermal softening group (n = 60) | Risk ratio (95% CI) | P | |
|---|---|---|---|---|
Sore throat incidence | ||||
1 h postoperation | 37 (62%) | 19 (32%) | 0.51 (0.34 to 0.78) | 0.001 |
6 h postoperation | 41 (68%) | 22 (37%) | 0.54 (0.37 to 0.78) | 0.001 |
24 h postoperation | 31 (52%) | 14 (23%) | 0.45 (0.27 to 0.76) | 0.001 |
Overall | 46 (76%) | 24 (40%) | 0.52 (0.37 to 0.73) | < 0.001 |
Sore throat scores | ||||
1 h postoperation | 2 (0, 3) | 0 (0, 2) | < 0.001 | |
6 h postoperation | 2 (0, 3) | 0 (0, 2) | < 0.001 | |
24 h postoperation | 2(0, 3) | 0 (0, 2) | < 0.001 | |
Hoarseness | ||||
1 h postoperation | 39 (65%) | 37 (62%) | 0.95 (0.72 to 1.25) | 0.705 |
6 h postoperation | 32 (53%) | 29 (48%) | 0.91 (0.64 to 1.29) | 0.584 |
24 h postoperation | 21 (35%) | 18 (30%) | 0.86 (0.51 to 1.44) | 0.559 |
Overall | 51(85%) | 48 (80%) | 0.94 (0.79 to 1.11) | 0.471 |
Oral dryness 24 h | 34 (57%) | 32 (53%) | 0.94 (0.72 to 1.60) | 0.714 |