Table 4 Statistical analysis results and clinical significance assessment
Parameter | Correlation Coefficient (r) | p-value | Effect Size | Clinical Significance |
|---|---|---|---|---|
Subcricoid Measurements | ||||
Subcricoid AP vs. FVC% | -0.162 | 0.147 | Small | Limited clinical relevance |
Subcricoid AP vs. DLCO% | -0.038 | 0.738 | Negligible | No clinical relevance |
Subcricoid AP vs. GAP Index | 0.318 | 0.003 | Medium | Moderate clinical relevance* |
Subcricoid Transverse vs. FVC% | -0.102 | 0.363 | Small | Limited clinical relevance |
Subcricoid Transverse vs. DLCO% | -0.054 | 0.632 | Negligible | No clinical relevance |
Subcricoid Transverse vs. GAP Index | 0.312 | 0.004 | Medium | Moderate clinical relevance* |
Area Measurements | ||||
Subcricoid Area vs. FVC% | -0.124 | 0.287 | Small | Limited clinical relevance |
Subcricoid Area vs. DLCO% | -0.089 | 0.452 | Negligible | No clinical relevance |
Subcricoid Area vs. FVC/DLCO | 0.218 | 0.049 | Small | Potential clinical value† |
Subcricoid Area vs. GAP Index | 0.307 | 0.006 | Medium | Moderate clinical relevance* |
Carina Area vs. FVC% | -0.156 | 0.178 | Small | Limited clinical relevance |
Carina Area vs. DLCO% | -0.112 | 0.341 | Small | Limited clinical relevance |
Carina Area vs. FVC/DLCO | 0.245 | 0.027 | Small | Potential clinical value† |
Carina Area vs. GAP Index | 0.334 | 0.003 | Medium | Moderate clinical relevance* |
Main Bronchi Measurements | ||||
Right Main Bronchus Area vs. GAP Index | 0.298 | 0.008 | Small-Medium | Potential clinical value† |
Left Main Bronchus Area vs. GAP Index | 0.287 | 0.011 | Small-Medium | Potential clinical value† |
Other bronchial measurements | < 0.200 | > 0.05 | Small | Limited clinical relevance |
Thoracic Measurements | ||||
Thoracic Diameter (all parameters) | < 0.200 | > 0.05 | Small | Limited clinical relevance |