Table 1 Risk factors associated with dental injury
From: Dental injury in anaesthesia: a tertiary hospital’s experience
Risk factors | Cases (n = 51) | Controls (n = 55107) | P | OR | 95% CI |
|---|---|---|---|---|---|
Emergency surgery | 12 | 10873 | NS | 0.8 | 0.42–1.53 |
ASA ≥ 3 | 20 | 10648 | 0.001 | 2.44 | 1.39–4.29 |
Anticipated difficult airway | 14 | 4935 | < 0.001 | 3.00 | 1.62–5.55 |
Mallampatti | |||||
≥ III | 15 | 9127 | 0.037 | 1.89 | 1.03–3.49 |
Reduced mouth opening | 2 | 1283 | NS | 1.71 | 0.42–7.04 |
Reduced TMD | 7 | 3137 | 0.025 | 2.63 | 1.19–5.86 |
Abnormal neck extension | 2 | 1137 | NS | 1.94 | 0.47–7.98 |
Abnormal teeth | 21 | 2911 | < 0.001 | 12.55 | 7.18–21.95 |
Grade of intubation ≥3 | 9 | 948 | < 0.001 | 7.25 | 3.40–15.45 |
MacGrath usage | 10 | 2740 | 0.022 | 2.51 | 1.24–5.09 |
DLT usage | 3 | 686 | NS | 2.65 | 0.82–8.58 |