Table 3.
Comparison of characteristics between subjects of the obvious-remission group and the non-remission group
| Characteristics | Obvious-remission group | Non-remission group | P-value |
|---|---|---|---|
| Case | 39 | 85 | |
| Absolute value of ΔmMRC | 2.15±0.37 | 0.75±0.46 | <0.001a |
| LAA% −950, % | 13.32±8.47 | 12.59±12.49 | 0.817a |
| ΔIC, L | 0.54±0.37 | 0.23±0.38 | <0.001a |
| ΔFEV1, L | 0.42±0.39 | 0.23±0.32 | 0.01a |
| Emphysema predominant, % | 63.16 | 47.06 | 0.176b |
| Significant change in IC (ΔIC ≥300 mL), % | 74.36 | 35.29 | ≤0.001b |
| Significant change in FEV1 (ΔFEV1 ≥300 mL), % | 51.28 | 32.94 | 0.041b |
Notes: Data are presented as mean ± SD.
a
Analysis with paired t-test.
b
Analysis with chi-squared test.
Abbreviations: ΔmMRC scores, decline in the modified Medical Research Council scores; LAA% −950, percentage of low attenuation areas less than −950 Hu; ΔIC, increases in inspiratory capacity; ΔFEV1, increases in forced expiratory volume in 1 second; IC, inspiratory capacity; FEV1, forced expiratory volume in 1 second; SD, standard deviation; CT, computed tomography; Hu, Hounsfield units.