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Table 4 The difference of prognostic factors between OS (−) group and OS (+) group

From: Effects of reduced platelet count on the prognosis for patients with non-small cell lung cancer treated with EGFR-TKI: a retrospective study

Values OS (−) OS (+) Statistic(χ2) P-value
N 34 18   
Platelet    4.294 0.039
 Increase 9(26.5%) 10(55.6%)   
 Decrease 25(73.5%) 8(44.4%)   
D-dimer    1.353 0.337
 Increase 8(23.5%) 7(38.9%)   
 Decrease 26(76.5%) 11(61.1%)   
Gender    8.497 0.008
 Male 12(35.3%) 14(77.8%)   
 Female 22(64.7%) 4(22.2%)   
Age    3.059 0.072
 ≥ 62.5 14(41.2%) 12(66.7%)   
 < 62.5 20(58.8%) 6(33.3%)   
Smoking    6.540 0.013
 Past/current 27(79.4%) 8(44.4%)   
 Never 7(20.6%) 10(55.6%)   
Exon21    0.575 0.519
 No 26(76.5%) 12(66.7%)   
 Yes 8(23.5%) 6(33.3%)   
Exon19    0.001 0.605
 No 19(55.9%) 10(55.6%)   
 Yes 15(44.1%) 8(44.4%)   
Other diseases    5.967 0.016
 No 25(73.5%) 7(38.9%)   
 Yes 9(26.5%) 11(61.1%)   
Other treatment    1.549 0.172
 No 11(32.4%) 9(50%)   
 Yes 23(67.6%) 9(50%)   
  1. OS overall survival, OS (−) survival group, OS (+) death group
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