A sternomental distance of 13.5 cm or less with the head fully extended on the neck and the mouth closed provided, using discrimi- nant analysis, the best cut-off point for predict- ing subsequent difficult laryngoscopy. A sterno- mental distance of 13.5 cm or less had a sensitivity, specificity, positive and negative pre- dictive values of 66.7%, 71.1%, 7.6% and 98.4%, respectively. While there was no association between sternomental distance and age, weight, height or body mass index (BMI), there was a
As the valley of Baca represents a valley of drought spiritually and dejection, where the only water is that of tears, so the pilgrim's making it a well (by having his strength in Jehovah) symbolizes ever flowing comfort and salvation (John 4:14; Isaiah 12:3; compare Psalm 23:4).
Albert Barnes' Notes on the Whole Bible. Who passing through the valley of Baca - This is one of the most difficult verses in the Book of Psalms, and has been, of course, very variously interpreted. The Septuagint and the Latin Vulgate, Luther, and Professor Alexander, render it a valley of tears.