Table 4.
GINA 1 (Mild intermittent) | GINA 2 (Mild persistent) | GINA 3, 4 (Moderate, Severe) | P | |
HRCT Score (n=48) | 2.95±3.45 | 8.09±4.10 | 13.0±3.10 | <0.01 |
Bronchiectasis Score (n=48) | 1.70±2.71 | 6.28±3.16 | 8.28±1.79 | <0.01 |
Airway trapping segments (n=31) | 1.27±1.79 | 3.31±3.43 | 5.25±5.56 | NS |
% Insp vol -851 to -950 HU (n=47) | 28.39±4.06 | 29.27±4.40 | 27.53±2.90 | NS |
% Insp vol -951 to -1024 HU (n=47) | 25.87±7.95 | 28.63±8.17 | 30.47±4.87 | NS |
% Exp vol -851 to -950 HU (n=31) | 15.83±6.80 | 22.58±7.44 | 22.62±5.44 | NS |
% Exp vol -851 to -1024 HU (n=31) | 31.17±15.18 | 42.46±13.54 | 43.12±10.78 | NS |
Ratio Exp/Insp-851 to -950 HU (n=30) | 0.36±0.23 | 0.49±0.23 | 0.56±0.18 | NS |
GINA: Global Initiative for Asthma, n: Number of patients, NS: Not significant, %: Percentage, Insp: Inspiratory, Vol: Volume, HU: Hounsfield unit (CT scan), Exp: Expiratory, P-value <0.05 is taken as significant and have been marked in bold