- Comparison of patients’ characteristics by smoking exposure.
| Characteristics | Exposure to smoking | Test statistics | P-value | |
|---|---|---|---|---|
| No (n=213) | Yes (n=305) | |||
| n (%) | ||||
| Cough | ||||
| No | 187 (87.8) | 211 (69.2) | χ2=24.411 | <0.001* |
| Yes | 26 (12.2) | 94 (30.8) | ||
| Laryngospasm | ||||
| No | 213 (100) | 279 (91.5) | χ2=19.117 | <0.001* |
| Yes | 0 (0.0) | 26 (8.5) | ||
| Saturation | ||||
| >90% | 210 (98.6) | 268 (87.9) | χ2=20.236 | <0.001* |
| <90% | 3 (1.4) | 37 (12.1) | ||
| Lidocaine need | ||||
| No | 198 (93.0) | 221 (72.5) | χ2=34.089 | <0.001* |
| Yes | 15 (7.0) | 84 (27.5) | ||
χ2: Chi-squared test, *significant difference (p<0.05)