Table 5.

 Mean (SD) correct insertion depth (cm) and insertion depth during endobronchial intubation of endotracheal tube measured at incisors in women and men

	Women	Men
Tube in correct tracheal position*	21.3 (1.2)	22.7 (1.3)†
Tube in incorrect bronchial position‡	25.6 (1.7)	27.1 (2.1)†

*Insertion depth measured in 160 patients after correct placement of tube 2.5-4 cm above carina.

†P<0.05 compared with women.

‡Insertion depth measured in 80 patients after placement of tube in right mainstem bronchus.