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. 2021 Jul 1;92(3):e2021269. doi: 10.23750/abm.v92i3.11609

Table 3.

NIV non-responder and NIV responder data before starting NIV trial.

T0 (pre-NIV) NIV non-responder NIV responder p
PaO2/FiO2 215.4±69.38 155.1±53.65 0.002
RR (per minute) 21.44±5.85 21.19±6.77 0.903
Tins (sec) 0.751±0.2086 0.8657±0.2557 0.039
Texp (sec) 0.6382±0.2889 0.912±0.5216 0.01
Ttot (sec) 1.389±0.4382 1.778±0.6408 0.004
Pmax (cmH2O) 11.75±2.295 13.35±2.727 0.0502
Age (ys) 64.63±14.38 65.9±15.34 0.783
BMI (kg/m2) 26.4±4.545 27.12±3.12 0.54

LEGEND: RR, respiratory rate; Tins, inspiratory time; Texp, expiration time; Ttot, respiratory cycle total time; Pmax, maximal inspiratory pressure; BMI, body mass index. All values expressed as mean ± SD.