Table 2. Characteristics of included patients.
| TKI-group | Non-TKI-group | |
|---|---|---|
| Sex | ||
| Female | 131(35%) | 156(26%) |
| Male | 164(44%) | 283(47%) |
| unknown | 79(21%) | 167(27%) |
| RPA | ||
| Grade 1 | 41(11%) | 52(8%) |
| Grade 2 | 119(32%) | 138(23%) |
| Grade 3 | 19(5%) | 36(6%) |
| unknown | 195(52%) | 380(63%) |
| KPS | ||
| <70 | 19(5%) | 36(6%) |
| ≥70 | 160(43%) | 190(31%) |
| unknown | 195(52%) | 380(63%) |
| ECOG | ||
| 0-1 | 32(9%) | 105(17%) |
| 2 | 13(3%) | 43(7%) |
| 3-4 | 9(2%) | 18(3%) |
| unknown | 320(86%) | 440(73%) |
| No.of BM | ||
| ≤3 | 203(54%) | 265(44%) |
| >3 | 96(26%) | 182(30%) |
| unknown | 75(20%) | 159(26%) |
| Extra-cranial metastases | ||
| yes | 173(46%) | 266(44%) |
| no | 126(34%) | 181(30%) |
| unknown | 75(20%) | 159(26%) |
| Histology | ||
| adenocarcinoma | 228(61%) | 323(53%) |
| squamous carcinoma | 14(4%) | 33(5%) |
| others | 17(4%) | 31(5%) |
| unknown | 115(31%) | 219(36%) |