Study | n | Age (years) | Gender (M/F) | Patients | Duration of HFNC or COT | Starting flow of HFNC | RRs (breaths/min) | P/F (mmHg) |
---|---|---|---|---|---|---|---|---|
Bell 2015 | ||||||||
HFNC group | 48 | 72.9 ± 15.1 | 20/28 | Emergency patients with ARF | 2 h | 50 L/min | >25 | Unknown |
COT group | 52 | 74.5 ± 14.0 | 24/28 | 2 h | ||||
Frat 2015 | ||||||||
HFNC group | 106 | 61 ± 16 | 75/31 | ICU patients with hypoxemic ARF | At least 48 h | 50 L/min | >25 | ≤300 |
COT group | 94 | 59 ± 17 | 63/31 | At least 48 h | ||||
Lemiale 2015 | ||||||||
HFNC group | 52 | 59.3(43-70)* | 38/14 | Immunocompromised ICU patients with hypoxemic ARF | 2 h | 40-50 L/min | >30 | Unknown |
COT group | 48 | 64.5(53.25-72)* | 32/16 | 2 h | ||||
Jones 2016 | ||||||||
HFNC group | 165 | 74.6 ± 15.6 | 73/94 | Emergency patients with ARF | 24 h | 40 L/min | ≥22 | Unknown |
COT group | 138 | 72.2 ± 16.8 | 71/67 | 24 h |