|
Characteristic
|
Group
|
Pre-5 min (n = 392/396)
|
The lowest SpO2, the highest respiratory rate, heart rate, and mean arterial pressure (n = 392/396)
|
Post-5 min (n = 392/396)
|
Post-10 min (n = 392/396)
|
Post-2 h (n = 392/396)
|
Post-6 h (n = 392/396)
|
Post-24 h (n = 392/396)
|
pa
|
|---|
|
SpO2 (%)
|
MHFNC
|
97.4 ± 1.6
|
94.1 ± 3.2
|
95.4 ± 2.3
|
94.7 ± 2.7
|
95.5 ± 1.8
|
95.7 ± 1.8
|
96.0 ± 1.7
|
< 0.001
|
| |
Control
|
97.3 ± 1.5
|
90.5 ± 3.8
|
92.1 ± 2.6
|
93.4 ± 2.9
|
95.3 ± 2.1
|
95.7 ± 1.9
|
95.9 ± 1.8
|
< 0.001
|
| |
pc
|
0.268
|
< 0.001
|
< 0.001
|
< 0.001
|
0.348
|
0.869
|
0.493
|
0.003b
|
|
Respiratory rate (bpm)
|
MHFNC
|
17 ± 5
|
26 ± 7
|
19 ± 5
|
19 ± 4
|
18 ± 3
|
17 ± 3
|
17 ± 3
|
< 0.001
|
| |
Control
|
18 ± 4
|
28 ± 6
|
21 ± 5
|
20 ± 4
|
18 ± 3
|
17 ± 3
|
17 ± 3
|
< 0.001
|
| |
pc
|
0.196
|
< 0.001
|
< 0.001
|
0.005
|
0.693
|
0.694
|
0.973
|
0.001b
|
|
Heart rate (beats/min)
|
MHFNC
|
84 ± 15
|
112 ± 18
|
94 ± 16
|
93 ± 16
|
83 ± 10
|
82 ± 10
|
81 ± 10
|
< 0.001
|
| |
Control
|
83 ± 15
|
116 ± 21
|
97 ± 18
|
94 ± 16
|
82 ± 10
|
81 ± 11
|
80 ± 10
|
< 0.001
|
| |
pc
|
0.305
|
0.015
|
0.037
|
0.377
|
0.167
|
0.818
|
0.334
|
0.465b
|
|
Mean arterial pressure (mmHg)
|
MHFNC
|
95 ± 13
|
108 ± 15
|
102 ± 14
|
104 ± 17
|
95 ± 10
|
94 ± 10
|
94 ± 9
|
< 0.001
|
| |
Control
|
94 ± 12
|
110 ± 18
|
103 ± 16
|
104 ± 16
|
96 ± 10
|
95 ± 10
|
94 ± 10
|
< 0.001
|
| |
pc
|
0.454
|
0.256
|
0.233
|
0.890
|
0.541
|
0.342
|
0.580
|
0.402b
|
- FiO2 the fraction of inspired oxygen, SpO2 peripheral arterial oxygen saturation
- pa for overall comparisons of differences in each group over time
- pb for overall comparisons of differences between groups over time
- pc for comparisons of differences between groups at each time point
