| Complications | Cases | Incidence (%) |
| Choking cough | 128 [5, 19, 24] | 1.31 | Nausea, vomiting | 129 [6, 9–12, 14, 16, 20, 23] | 1.32 | Respiratory depression | 128 [5, 7, 9, 11–14, 16, 20, 23, 28, 29] | 1.31 | Bronchospasm | 1 [11] | 0.01 | Tracheal tube detachment | 1 [11] | 0.01 | Laryngospasm | 17 [11, 17, 18, 26, 27] | 0.17 | Airway obstruction | 72 [11, 12, 15, 22, 24] | 0.74 | Phrenospasm | 11 [13] | 0.11 | Increased respiratory secretion | 20 [11] | 0.21 | Dysphoria | 204 [9, 12, 16, 19–21] | 2.09 | Local anesthetic poisoning | 1 [11] | 0.01 | Illusion, nightmare | 6 [9–11, 16] | 0.06 | Diplopia | 4 [16] | 0.04 |
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