Table 2. Ventilatory variables of healthy, ILD, and COPD groups at rest, L50, and L75 during OEP and RIP monitoring.
RR (per minute) | VT (L) | VE (L/min) | |||||
---|---|---|---|---|---|---|---|
Groups | OEP | RIP | OEP | RIP | OEP | RIP | |
Healthy (n = 9) |
Rest | 17.6 ± 5.2 | 18.8 ± 3.5 | 0.6 ± 0.4 | 0.6 ± 0.3 | 9.8 ± 4.3 | 10.8 ± 4.6 |
L50 | 21.3 ± 5.4 | 21.1 ± 4.3 | 1.2 ± 0.6 | 1 ± 0.4 | 23.6 ± 12.2 | 18.7 ± 11.2 | |
L75 | 24.5 ± 5.8 | 24.2 ± 5.1 | 1.5 ± 0.8 | 1.2 ± 0.6 | 36.7 ± 20.5 | 29 ± 19.2 | |
ILD (n = 9) |
Rest | 22.7 ± 5.2 | 23.5 ± 6.5 | 0.5 ± 0.1 | 0.5 ± 0.2 | 11.7 ± 2,7 | 11.4 ± 2.4 |
L50 | 29 ± 6.4 | 27.1 ± 7.4 | 0.8 ± 0.2 | 0.7 ± 0.2 | 22.7 ± 3.1* | 18.4 ± 4 | |
L75 | 33.3 ± 7.3 | 31.2 ± 8.5 | 1 ± 0.3 | 0.9 ± 0.3 | 30.5 ± 6* | 25.8 ± 6.2 | |
COPD (n = 9) |
Rest | 20.7 ± 3.3 | 19 ± 3.3 | 0.7 ± 0.2 | 0.7 ± 0.2 | 13 ± 2,7 | 12.8 ± 3 |
L50 | 21.7 ± 3.4 | 20.3 ± 3 | 0.9 ± 0.2 | 0.8 ± 0.2 | 18.7 ± 4,8* | 16.7 ± 3.4 | |
L75 | 23.4 ± 4 | 21.7 ± 3.3 | 1 ± 0.2 | 1 ± 0.2 | 23.6 ± 6* | 20.8 ± 5.2 |
ILD: interstitial lung disease, COPD: chronic obstructive pulmonary disease, OEP: optoelectronic plethysmography, RIP: respiratory inductive plethysmography, RR: respiratory rate, VT: tidal volume, VE: ventilation. Data presented as mean ± SD.
*p<0.05 OEP vs RIP.