Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Crit Care Med. Sep 7, 2018; 7(4): 46-51
Published online Sep 7, 2018. doi: 10.5492/wjccm.v7.i4.46
Table 3 Comparison of nasal intermittent mandatory ventilation responders to nasal intermittent mandatory ventilation non-responders - maximum support and clinical outcomes1
Support or outcome variableNIMV responders (n = 36)NIMV non-responders (n = 6)Total (n = 42)P value
Max delta P of NIMV (cmH2O)16 (6-26, IQR = 6.5)17.5 (10-30, IQR = 6)16.5 (6-30, IQR = 6)0.68
Max FIO2 of NIMV (%)40 (25-100, IQR = 22.5)42.5 (30-70, IQR = 10)40 (25-100, IQR = 15)0.84
Max PEEP of NIMV (cmH2O)6 (5-8, IQR = 2)5 (5-8, IQR = 2)6 (5-8, IQR = 2)0.37
Max rate of NIMV (breaths per minute)30 (20-70, IQR = 3.5)30 (20-60, IQR = 5)30 (20-70, IQR = 2)0.32
Time to max FIO2 (h)0 (0-119, IQR = 1.5)0 (0-29.5, IQR = 6)0 (0-119, IQR = 2)0.75
Time to max setting (h)1 (0-48, IQR = 9)3 (0-29.5, IQR = 20)1 (0-48, IQR = 10)0.8
Hospital length of stay (d)7 (3-30, IQR = 3.5)9 (4-14, IQR = 7)7.5 (3-30, IQR = 4)0.73
PICU length of stay (d)6 (3-30, IQR = 3)6.5 (3-14, IQR = 5)6 (3-30, IQR = 3)0.64
Total duration of NIMV (h)65 (5-240, IQR = 47.5)6.5 (0.5-30, IQR = 24)59.5 (0.5-240, IQR = 53)0.001
Total duration of all respiratory support (h)94.5 (28-254, IQR = 60)115 (65-230, IQR = 31.5)95.8 (28-254, IQR = 57)0.3
1Values are presented as median (range, IQR). NIMV: Nasal intermittent mandatory ventilation; PICU: Pediatric intensive care unit.