Background
Methods
Statistical analysis
Results
Clinical characteristics
Mean age | 70.0 (45 to 82 years) | |
---|---|---|
M : F | 63 : 6 | |
Smoking history | ||
Never smoker | 5 | |
Smokers | 64 | |
(Mean pack year 62.1 ± 4.3) | ||
Stage | Clinical | Pathological |
IA | 36 (52.2%) | 25(36.3%) |
IB | 12 (17.4%) | 8 (11.6%) |
IIA | 6 (8.7%) | 13 (18.8%) |
IIB | 4 (5.8%) | 5 (7.2%) |
IIIA | 8 (11.6%) | 11 (15.9%) |
IIIB | 3 (4.3%) | 7 (10.1%) |
Surgery type | ||
Lobectomy | 53 (76.8%) | |
Partial resection | 13(18.8%) | |
Pneumonectomy | 3 (4.3%) | |
Post chemotherapy | ||
Yes | 41 (59.4%) | |
No | 28 (40.6%) |
Differences between clinical and pathological stages
Pathological stage | |||||||
---|---|---|---|---|---|---|---|
IA
|
IB
|
IIA
|
IIB
|
IIIA
|
IIIB
| ||
Clinical stage
|
IA
| 23 | 2 | 8 | 1(T1→T2 N0→N1) | 1 | 1 |
(T1→T2) | (N0→N1) | (N0→N2) | (T1→T4) | ||||
IB
| 1 | 6 | 1 | 1 | 3 (T2→T3,N0→N1) | ||
(N1→N0) | (N0→N1) | (N0→N1) | (N0→N2) | ||||
(T2→T3,N0→N1) | |||||||
IIA
| 1 | 4 | 1 | ||||
(N1→N0) | (T1→T4 N1→N2) | ||||||
IIB
| 3 | 1 | |||||
(T2→T4) | |||||||
IIIA
| 7 | 1 | |||||
(T2→T4) | |||||||
IIIB
| 3 |
Survival analysis
Symptoms (n=17) | CXR (n=39) | CT (n=13) | |
---|---|---|---|
Stage IA (n = 25) | 4 (23.5%) | 13 (33.3%) | 8 (61.5%)a |
Stage IB (n = 8) | 1 (5.9%) | 6 (15.4%) | 1 (7.7%) |
Stage IIA (n = 13) | 3 (17.6%) | 8 (20.5%) | 2 (15.4%) |
Stage IIB (n = 5) | 1 (5.9%) | 4 (10.3%) | 0 |
Stage IIIA (n = 11) | 3 (17.6%) | 8 (15.4%) | 0 |
Stage IIIB (n = 7) | 5 (29.4%) | 0 | 2 (15.4%) |