Table 1 Number of segments affected by abnormality
Location | No. of Segments | ||
|---|---|---|---|
Group 1 | Group 2 | Total (Group M) | |
(n = 562) | (n = 181) | (n = 743) | |
Upper lobe | |||
Apical | |||
Right | 23 | 4 | 27 |
Left | NA | NA | |
Posterior | |||
Right | 31 | 10 | 41 |
Left | 42 | 13 | 55 |
Anterior | |||
Right | 23 | 9 | 32 |
Left | 19 | 5 | 24 |
Total | 138 | 41 | 179 (24.1%) |
Middle lobe | |||
Medial | 18 | 3 | 21 |
Lateral | 22 | 7 | 29 |
Total | 40 | 10 | 50 (6.7%) |
Lingula | |||
Superior | 27 | 5 | 32 |
Inferior | 37 | 12 | 49 |
Total | 64 | 17 | 81 (10.9%) |
Lower lobe | |||
Superior | |||
Right | 37 | 16 | 53 |
Left | 35 | 11 | 46 |
Anterior basal | |||
Right | 23 | 6 | 29 |
Left | 26 | 9 | 35 |
Medial basal | |||
Right | 29 | 9 | 38 |
Left | NA | NA | |
Lateral basal | |||
Right | 39 | 11 | 50 |
Left | 38 | 16 | 54 |
Posterior basal | |||
Right | 48 | 17 | 65 |
Left | 45 | 18 | 63 |
Total | 320 | 113 | 433 (58.3%) |
Average per patient | 11.0 | 6.2 | 9.3 |