Table 2 Characteristics of the propensity score-matched patients
Factor | SBRT (N = 35) | Surgery (N = 35) | p-value |
|---|---|---|---|
Age (years) | |||
Median (range) | 76 (70–83) | 74 (70–83) | 0.226 |
Gender | |||
Male | 22 | 22 | 1.000 |
Female | 13 | 13 | |
Tumor size (cm) | |||
Median (range) | 2.1 (1.4–5.0) | 2.2 (1.2–4.0) | 0.982 |
T stage | |||
T1 | 28 | 27 | 0.919 |
T2 | 7 | 8 | |
Histology | |||
NSCLC-NOS | 6 | 2 | 0.011 |
SCC | 9 | 11 | |
Ade | 16 | 22 | |
probable | 4 | 0 | |
FEV1 | |||
Median (range) | 1.58 (0.55–2.40) | 1.53 (0.87–2.62) | 0.872 |
FEV1/FVC (%) | |||
Median (range) | 101 (64–129) | 103 (54–125) | 0.765 |
CCI (%) | |||
0 | 27 (77) | 24 (68) | 0.503 |
1–2 | 7 (18) | 9 (26) | |
≥ 3 | 1 (3) | 2 (6) | |
KPS | |||
Median (range) | 90 (70–100) | 90 (80–100) | 0.097 |
Tumor location | |||
RUL | 9 | 10 | 0.084 |
RML | 8 | 5 | |
RLL | 7 | 6 | |
LUL | 5 | 9 | |
LLL | 6 | 5 | |
SBRT dose | |||
50Gy/4fx | 8 | N/A | |
50Gy/5fx | 19 | ||
50Gy/10fx | 5 | ||
60Gy/8fx | 2 | ||
70Gy/10fx | 1 | ||
Operation | |||
lobectomy | 29 | N/A | |
sublobar resection | 6 | ||
VATS | 26 | ||
thoracotomy | 9 | ||