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Table 2 Difficult airway characteristics (n = 136)

From: Airway Management in the Emergency Department (The OcEAN-Study) - a prospective single centre observational cohort study

  [n, (%)]
anticipated difficult airway 32 (23.5%)
LEMON
 0 points 85 (62.5%)
 LEMON ≥1 point 51 (37.5%)
IDS
 0 points 39 (28.8%)
 1–5 points 81 (59.6%)
 ≥ 5 points 16 (11.6%)
Cormack/Lehane I 59 (43.4%)
 II 40 (29.4%)
 III 23 (16.9%)
 IV 4 (2.9%)
not documented 10 (7.4%)*
  1. *including 2 patients with tracheotomy tube exchange