Table 3. Perioperative SpO₂, EtCO₂, MAP, HR.

Variablea	Before induction	After insertion	5 min after lung collapse	5 min after lung expansion
SpO2, %	99.04±1.04	99.54±0.59	99.25±1.11	99.71±0.62
EtCO2, mmHg	–	36.33±14.45	42.96±6.70	42.00±5.33
MAP, mmHg	81.47±6.86	70.24±9.00	75.22±10.98	78.65±10.66
HR, bpm	88.75±20.38	76.38±20.37	78.13±19.71	79.42±13.93

^a, continuous data are shown as mean ± standard deviation. LMA, laryngeal mask airway; SpO², peripheral O₂ saturation; EtCO₂, end-tidal carbon dioxide; MAP, mean arterial blood pressure; HR, heart rate.