question: Compared to Standard end-tidal anesthetic gas (ETAG) guided anesthesia what was the result of Bispectral index (BIS) guided anesthesia on Time to tracheal extubation?
context: Mean time to tracheal extubation was significantly longer in BIS group (9.63 ± 3.02 min) as compared to ETAG group (5.29 ± 1.51 min), mean difference 4.34 min with 95% confidence interval (3.106, 5.982) (P < 0.05).