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Table 1 Patient characteristics and clinical features

From: Association between polymorphisms in DNA repair genes and survival of non-smoking female patients with lung adenocarcinoma

Variable Patients (%) MST(mon) Log-rank P value HR (95%CI)
Age (years)     
   ≤50 105(40.9) 14.93 0.493 1.00
   >50 152(59.1) 12.47   1.10(0.84-1.45)
Tumor stage     
   I 44(17.1) 45.80   1.00
   II 34(13.2) 18.57 < 0.001 2.48(1.36-4.53)
   III 149(58.0) 11.07   3.46(2.14-5.61)
   IV 30(11.7) 9.07   4.66(2.59-8.37)
Surgical operation     
   No 53(20.6) 6.20 0.005 1.00
   Yes 204(79.4) 15.50   0.61(0.44-0.86)
Chemotherapy or radiotherapy     
   No 31(12.1) 9.00 0.803 1.00
   Yes 226(87.9) 13.30   0.94(0.59-1.51)
  1. Abbreviation: MST, median survival time; HR, hazard ratio; CI, confidence interval.