Table 1 Distribution of branching patterns in left upper division between different lingular artery types
wM-type | pM-type | P value | M-type | IL-type | total | P value | |
|---|---|---|---|---|---|---|---|
Bronchial type in upper division | |||||||
Subapico-anterior type | 13 (3.22%) | 37 (9.16%) | P = 0.568 | 50 (12.38%) | 139 (34.41%) | 189 (46.78%) | P < 0.001 |
Apico-anterior type | 8 (1.98%) | 38 (9.41%) | 46 (11.39%) | 58 (14.36%) | 104 (25.74%) | ||
Anterior type | 2 (0.5%) | 9 (2.23%) | 11 (2.73%) | 100 (24.75%) | 111 (27.48%) | ||
PV type in upper division | |||||||
Semi-cent type | 10 (2.48%) | 33 (8.17%) | P = 0.793 | 43 (10.64%) | 211 (52.23%) | 254 (62.87%) | P < 0.001 |
Non-cent type | 1 (0.25%) | 7 (1.73%) | 8 (1.98%) | 28 (6.93%) | 36 (8.91%) | ||
Cent type | 12 (2.97%) | 44 (10.89%) | 56 (13.86%) | 58 (14.36%) | 114 (28.22%) | ||
Apicoanterior + posterior artery type | |||||||
Type A | 7 (1.73%) | 19 (4.70%) | N.E.* | 26 (6.44%) | 83 (20.54%) | 109 (26.98%) | P = 0.192 |
Type B | 4 (0.99%) | 6 (1.49%) | 10 (2.48%) | 18 (4.46%) | 28 (6.93%) | ||
Type C | 2 (0.50%) | 4 (0.99%) | 6 (1.49%) | 25 (6.19%) | 31 (7.67%) | ||
Type D | 4 (0.99%) | 16 (3.96%) | 20 (4.95%) | 33 (8.17%) | 53 (13.12%) | ||
Type E | 1 (0.25%) | 8 (1.98%) | 9 (2.23%) | 40 (9.90%) | 49 (12.13%) | ||
Type F | 2 (0.5%) | 19 (4.7%) | 21 (5.20%) | 47 (11.63%) | 68 (16.83%) | ||
Type G | 3 (0.74%) | 12(2.97%) | 15 (3.71%) | 51 (12.62%) | 66 (16.34%) | ||
Lingular bronchial type | |||||||
Separated type | 17 (4.21%) | 59 (14.60%) | P = 0.932 | 76 (18.81%) | 223 (55.20%) | 299 (74.01%) | P = 0.238 |
Miscellaneous type | 6 (1.49%) | 25 (6.19%) | 31 (7.67%) | 74 (18.32%) | 105 (25.99%) | ||
Independent intrasegmental lingular vein | |||||||
0 branch | 0 | 0 | P = 0.654# | 0 | 7 (1.73%) | 7 (1.73%) | P = 0.192# |
1 branch | 17 (4.21%) | 68 (16.83%) | 85 (21.03%) | 245 (60.64%) | 330 (81.67%) | ||
2 branches | 6 (1.49%) | 15 (3.71%) | 21 (5.2%) | 45 (11.14%) | 66 (16.34%) | ||
3 branches | 0 (0%) | 1 (0.25%) | 1 (0.25%) | 0 | 1 (0.25%) | ||
Total | 23 (5.69%) | 84 (20.79%) | 107 (26.49%) | 297 (73.51%) | 404 (100%) |