Table 1 Clinical characteristics of cases with uncommon and common metastasis
From: Distribution and prognosis of uncommon metastases from non-small cell lung cancer
Uncommon metastases | Common metastases | P | |||
|---|---|---|---|---|---|
n | % | n | % | ||
Age (years) | 0.36 | ||||
Median (range) | 58 (20–85) | 59 (17–89) | |||
Gender | 0.02 | ||||
Male | 137 | 71.0 | 1673 | 62.4 | |
Female | 56 | 29.0 | 1006 | 37.6 | |
Smoking status | 0.08 | ||||
Smoker | 99 | 51.3 | 1197 | 44.7 | |
Never smoker | 94 | 48.7 | 1482 | 55.3 | |
ECOG PS | 0.96 | ||||
<2 | 175 | 90.7 | 2423 | 90.4 | |
=2 | 12 | 6.2 | 178 | 6.6 | |
>2 | 6 | 3.1 | 78 | 2.9 | |
Diagnosis time | <0.01 | ||||
At disease course | 82 | 43.0 | 415 | 15.5 | |
At intial | 111 | 57.0 | 2264 | 84.5 | |
Histology | 0.41 | ||||
Adenocarcinoma | 151 | 78.2 | 2178 | 81.3 | |
Squamous carcinoma | 26 | 13.5 | 339 | 12.7 | |
Othersa | 16 | 9.0 | 162 | 6.0 | |
Treatment | |||||
>2 lines | 35 | 18.1 | 410 | 15.3 | 0.49 |
≤2 lines | 122 | 63.2 | 1795 | 67.0 | |
BSC | 36 | 18.7 | 474 | 17.7 | |
TKIs or not | 0.06 | ||||
Yes | 56 | 29.0 | 959 | 35.8 | |
No | 137 | 71.0 | 1720 | 64.2 | |