Table 2 Pathological analysis of lesions.
Characteristics | Young (n = 103), n (%) | Elder (n = 100), n (%) | p value |
|---|---|---|---|
Pathology | < 0.001 | ||
AIS | 1 (0.97) | 1 (1.00) | |
MIA | 72 (69.90) | 19 (19.00) | p < 0.05 |
IAC | 30 (29.13) | 80 (80.00) | p < 0.05 |
Predominant subtype | 0.546 | ||
Acinar | 12 (40.00) | 34 (42.50) | |
Papillary | 3 (10.00) | 9 (11.25) | |
Lepidic | 14 (46.67) | 37 (46.25) | |
Solid | 1 (3.33) | 0 (0) | |
Degree of differentiation | < 0.001 | ||
Well | 5 (16.67) | 11 (13.75) | |
Well-moderately | 12 (40.00) | 31 (38.75) | |
Moderately | 4 (13.3) | 33 (41.25) | p < 0.05 |
Moderately poorly | 7 (23.3) | 2 (2.50) | p < 0.05 |
Poorly | 1 (3.33) | 0 (0) | |
Unknown | 1 (3.33) | 3 (3.75) | |
TNM stage | < 0.001 | ||
I A1 | 57 (55.34) | 13 (13.00) | p < 0.05 |
I A2 | 31 (30.10) | 29 (29.00) | |
I A3 | 2 (1.94) | 24 (24.00) | p < 0.05 |
I B | 4 (3.88) | 29 (29.00) | p < 0.05 |
II A | 3 (2.91) | 3 (3.00) | |
II B | 2 (1.94) | 1 (1.00) | |
III A | 3 (2.91) | 1 (1.00) | |
III B | 0 (0) | 0 (0) | |
IV A | 1 (0.97) | 0 (0) | |
VPI | 5 (4.85) | 21 (21.00) | < 0.001 |
VTT | 2 (1.94) | 1 (1.00) | 0.551 |
LVI | 4 (3.88) | 2 (2.00) | 0.355 |
STAS | 5 (4.85) | 18 (18.00) | 0.003 |
