Variable | All periods (235) | Induction (90) | Maintenance (124) | Emergence (21) |
---|---|---|---|---|
Adjusted hazard ratio (95% CI) p-value | Adjusted hazard ratio (95% CI) p-value | Adjusted hazard ratio (95% CI) p-value | Adjusted hazard ratio (95% CI) p-value | |
Age (ref= > 6) | 1a < 0.001 | |||
1-6 | 2.3 (1.6, 3.3)b | _ | _ | _ |
< 1 | 3.7 (2.5, 5.6)c | |||
Respiratory disease (ref = no) | 1a < 0.001 | 1a 0.16 | 1a 0.6 | |
URI | _ | 1.1 (0.45, 2.9)a | 1.7 (0.89, 3.2)a | 1.5 (0.34, 6.8)a |
Pulmonary disease | 3.9 (2.4, 6.3)b | 1.6 (0.84, 2.9)a | 1.9 (0.54, 6.5)a | |
Site of operation (ref = superficial) | 1a < 0.001 | |||
Broncho/laryngoscopy | 4.1 (2.1, 8.3)b | |||
Ear-nose-throat | 1.7 (0.87, 3.4)a | |||
Eye | 1.0 (0.49, 2.1)a | _ | _ | _ |
Thoracic | 1.3 (0.62, 2.8)a | |||
Abdomen | 1.3 (0.70, 2.4)a | |||
Spine & extremity | 1.2 (0.63, 2.4)a | |||
Remote* | 1.7 (0.64, 4.3)a | |||
Position (ref = supine) | 1a 0.01 | |||
Lateral | 2.0 (1.2, 3.3)b | _ | _ | _ |
Lithotomy | 0.42 (0.15, 1.2)a | |||
Prone | 0.77 (0.28, 2.1)a | |||
ASA classification (ref = 1) | 1a < 0.001 | 1a 0.75 | 1a 0.93 | |
2 | _ | 1.9 (0.92, 3.9)a | 1.1 (0.66,1.7)a | 1.1 (0.56, 2.2)a |
3 | 4.4 (2.0, 9.6)b | 1.3 (0.70, 2.3)a | 0.90 (0.25, 3.1)a | |
Airway device (ref = ETT-C) | 1a 0.005 | |||
Jet ventilation-C | 2.2 (0.89, 5.3)a | _ | _ | _ |
Facemask-A | 2.5 (1.3, 4.7)b | |||
LMA-A | 2.0 (1.1, 3.6)b | |||
Intubating agent (ref = NDMR) | 1a < 0.001 | |||
Succinylcholine | 2.0 (1.4, 2.8)b | _ | _ | _ |
Sevoflurane | 1.2 (0.62, 2.4)a | |||
Inhalation agent (ref = sevoflurane) | 1a < 0.001 | |||
Isoflurane | 0.79 (0.57, 1.1)a | |||
Halothane | 1.2 (0.40, 3.8)a | _ | _ | _ |
Desflurane | 5.7 (3.1, 10.7)b |