Table 4.
Severity of POST in both groups at different evaluation times
| Evaluation time | Zinc group (n=44) |
Placebo group (n=44) |
P | ||||
|---|---|---|---|---|---|---|---|
| Mild POST | Moderate POST | Severe POST | Mild POST | Moderate POST | Severe POST | ||
| 0 min | 1 (2.3%) | 0 | 0 | 9 (20.5%) | 2 (4.5%) | 0 | 0.003* |
| 30 min | 2 (4.5%) | 0 | 0 | 11 (25%) | 4 (9.1%) | 0 | 0.002* |
| 2 h | 4 (9.1%) | 0 | 0 | 7 (15.9%) | 8 (18.2%) | 1 (2.3%) | <0.001† |
| 4 h | 0 | 3 (6.8%) | 0 | 2 (4.5%) | 9 (20.5%) | 3 (6.8%) | 0.001* |
| 24 h | 7 (15.9%) | 0 | 0 | 5 (11.4%) | 10 (22.7%) | 0 | 0.02 (NS) |
NS=nonsignificant, POST=postoperative sore throat Data expressed as number of patients (%) P<0.01 (Bonferroni correction 0.05/5=0.01) was considered significant *Significant. †Highly significant