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Table 2 Expected success rates of high-flow nasal cannula therapy in the different indications

From: High-flow nasal cannula therapy: clinical practice in intensive care units

  Overall, % (n) Seniors, % (n) Juniors, % (n) p*
All indications     0.95
 1–19% 5 (5/104) 5 (3/66) 5 (2/38)  
 20–39% 35 (36/104) 30 (20/66) 42 (16/38)  
 40–59% 41 (43/104) 44 (29/66) 36 (14/38)  
 ≥ 60% 19 (20/104) 21 (14/66) 16 (6/38)  
Hypoxemic ARF     0.81
 1–19% 6 (7/120) 5 (4/75) 7 (3/45)  
 20–39% 23 (28/120) 19 (14/75) 31 (14/45)  
 40–59% 41 (49/120) 45 (34/75) 33 (15/45)  
 ≥ 60% 30 (36/120) 31 (23/75) 29 (13/45)  
Hypercapnic ARF     0.88
 1–19% 35 (16/46) 33 (9/27) 37 (7/19)  
 20–39% 46 (21/46) 44 (12/27) 47 (9/19)  
 40–59% 17 (8/46) 22 (8/27) 11 (2/19)  
 ≥ 60% 2 (1/46) 0 5 (1/19)  
  1. ARF: Acute respiratory failure
  2. *Comparisons were performed between junior and senior ICU physicians