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Table 1. Demographic, Surgical, and Anesthetic Characteristics for the Face Mask (FM), the Laryngeal Mask Airway High-volume (LMA-High) and the Laryngeal Mask Airway Low-volume (LMA-Low) Groups

Data are mean ± SD, mean (range), or numbers.

* FM versus  LMA-High and FM versus  LMA-Low, all P < 0.05.

† Airway management grades: easy (LMA, one attempt, no tactile resistance; FM, chin lift only), some difficulty (LMA, one attempt, some tactile resistance; FM, chin lift plus oral airway required), and difficult (LMA, two attempts; FM, chin lift plus oral airway plus jaw thrust required).

‡ Guedel airway insertion.

Table 1. Demographic, Surgical, and Anesthetic Characteristics for the Face Mask (FM), the Laryngeal Mask Airway High-volume (LMA-High) and the Laryngeal Mask Airway Low-volume (LMA-Low) Groups
Table 1. Demographic, Surgical, and Anesthetic Characteristics for the Face Mask (FM), the Laryngeal Mask Airway High-volume (LMA-High) and the Laryngeal Mask Airway Low-volume (LMA-Low) Groups
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