| Conventional group (n = 37) | SPI group (n = 38) | P-value |
---|---|---|---|
Remifentanil consumption (μg/kg/min) | 0.06 ± 0.04 | 0.13 ± 0.05 |  < 0.001 |
Hemodynamic episodesa | |||
 Incidence of tachycardia (%) | 3.9 | 1.2 |  < 0.001 |
 Incidence of bradycardia (%) | 0.95 | 1.1 | 0.72 |
 Incidence of hypertension (%) | 2.8 | 1.1 | 0.002 |
 Incidence of hypotension (%) | 1.7 | 1.6 | 0.83 |
Awakening time (sec) | 513.3 ± 185.6 | 442.6 ± 217.6 | 0.13 |