Table 2.
Comparisons of patient characteristics between adequate and inadequate inhalation groups after repeated inhalations
| Inhalation repeats | I | II | III | IV | ||||
|---|---|---|---|---|---|---|---|---|
| Groups by inhalation | Adequate | Inadequate | Adequate | Inadequate | Adequate | Inadequate | Adequate | Inadequate |
| (n = 19) | (n = 45) | (n = 35) | (n = 29) | (n = 46) | (n = 18) | (n = 49) | (n = 15) | |
| Age (years) | 10 [5-14] | 9 [5-15] | 10 [5-15] | 9 [5-14]* | 10 [5-15] | 7 [5-13]* | 10 [5-15] | 7 [5-13]* |
| Male | 15 (79) | 22 (49)* | 26 (74) | 11 (38)* | 31 (67) | 6 (33)* | 31 (63) | 6 (40) |
| Rohrer index (kg/cm3) | 134 [83-188] | 125 [98-246] | 128 [83-246] | 126 [98-190] | 126 [83-246] | 127 [100-190] | 126 [83-246] | 127 [100-190] |
| Body temperature (°C) | 38.4 [35.9-40.4] | 38.4 [35.8-40.3] | 38.4 [35.9-40.4] | 38.5 [35.8-40.1] | 38.4 [35.9-40.4] | 38.5 [35.8-40.0] | 38.4 [35.9-40.4] | 38.5 [35.8-40.0] |
| History of asthma | 2 (11) | 9 (20) | 7 (20) | 4 (14) | 10 (22) | 1 (6) | 10 (20) | 10 (67) |
| Pulse rate (beats/min) | 116 [88-143] | 115 [73-150] | 114 [73-143] | 117 [77-150] | 114 [73-143] | 119 [77-150] | 114 [73-143] | 119 [77-150] |
| Respiratory rate (breaths/min) | 19 [14-35] | 25 [14-50]* | 22 [14-50] | 25 [14-37] | 23 [14-50] | 26 [18-37] | 23 [14-50] | 26 [18-37] |
| SpO2 (%) | 96 [94-98] | 97 [93-99] | 96 [94-99] | 97 [93-99] | 96 [93-99] | 97 [94-99] | 96 [93-99] | 97 [94-99] |
| PIF (L/min) | 150 [80-240] | 110 [40-230]* | 140 [80-240] | 100 [40-200]* | 130 [80-240] | 85 [40-150]* | 130 [80-240] | 85 [40-150]* |
Values are presented as median [range] or number (%). Statistical analyses were performed using Fisher’s exact test or Mann-Whitney U-test. *: P < 0.05. SpO2: peripheral arterial oxygen saturation, PIF peak inspiratory flow