Table 1 Results of univariate analysis of factors affecting general information about cerebral metastasis
Factors | brain metastases | χ2 | P value | ||
|---|---|---|---|---|---|
Not n(%) | Yes n(%) | ||||
gender | Male Female | 71(55.5) 57(44.5) | 46(60.5) 30(39.5) | 0.499 | 0.480 |
Age | ≤ 60 years >60 years | 65(50.8) 63(49.2) | 49(64.5) 27(35.5) | 3.626 | 0.057 |
Location of the primary lesion | Left lung Right lung | 51(39.8) 77(60.2) | 34(44.7) 42(55.3) | 0.470 | 0.493 |
T stage | T1-2 T3-4 | 84(65.6) 44(34.4) | 44(57.9) 32(42.1) | 1.219 | 0.270 |
N stage | N0-1 N2-3 | 35(27.3) 93(72.7) | 10(13.2) 66(86.8) | 5.582 | 0.018 |
Other metastases(beside brain) | Yes No | 39(30.5) 89(69.5) | 15(19.7) 61(80.3) | 2.822 | 0.093 |
EGFR mutation | Yes No | 54(42.2) 74(57.8) | 53(69.7) 23(30.3) | 14.512 | <0.001 |
WBC | ≤ 10 × 109/L >10 × 109/L | 11(86.7) 17(13.3) | 67(88.2) 9(11.8) | 0.089 | 0.766 |
LYM | ≤ 1.1 × 1012/L >1.1 × 1012/L | 21(16.4) 10(83.6) | 19(25.0) 57(75.0) | 2.234 | 0.135 |
LYM% | ≤ 20% >20% | 42(32.8) 86(67.2) | 36(47.4) 40(52.6) | 4.278 | 0.039 |
NEU | ≤ 6.3 × 109/L >6.3 × 109/L | 10(82.8) 22(17.2) | 61(80.3) 15(19.7) | 0.209 | 0.648 |
NRL | ≤ 2.13 >2.13 | 36(28.1) 92(71.9) | 27(35.5) 49(64.5) | 1.224 | 0.269 |