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Table 3 Univariate analyses for overall survival

From: Surgical and survival outcomes of lung cancer patients with intratumoral lung abscesses

Variable Patients (n = 11) HR 95% CI P-value
Age, years <64 3 1.504 0.167–13.540 0.716
≥64 8    
Sex F 1 - - -
M 10    
BMI, kg/m2 <22.3 5 0.649 0.108–3.910 0.637
≥22.3 6    
Alb, g/dL ≥2.3 6 - - -
<2.3 5    
Hb, g/dL ≥10.1 6 3.104 0.509–18.940 0.220
<10.1 5    
WBC, 103/μL <17.0 5 - - -
≥17.0 6    
CRP, mg/dL <21.8 5 6.468 0.698–59.910 0.100
≥21.8 6    
Predicted VC, % ≥101.7 5 6.468 0.698–59.910 0.100
<101.7 6    
FEV1/FVC, % ≥66.5 5 0.580 0.097–3.479 0.551
<66.5 6    
PS <2 7 2.940 0.484–17.850 0.241
≥2 4    
CCI <3 9 0.729 0.080–6.608 0.779
≥3 2    
Empyema - 7 2.682 0.439–16.400 0.286
+ 4    
Tumor size, mm <55 4 4.395 0.475–40.620 0.192
≥55 7    
Pathological stage II 6 2.498 0.407–15.330 0.323
III-IV 5    
Histology ADC 5 2.333 0.374–14.540 0.364
Other 6    
Surgical procedure V 1 - - -
O 10    
Surgery Lobectomy 9 6.000 0.365–98.720 0.210
Other 2    
CR - 7 - - -
+ 4    
OT, mins <346 5 5.037 0.554–45.800 0.151
≥346 6    
Bleeding, mL <1327 5 5.037 0.554–45.800 0.151
≥1327 6    
  1. Abbreviations: ADC adenocarcinoma, Alb albumin, BMI body mass index, CCI Charlson comorbidity index, CI confidence interval, CR combined resection, CRP C-reactive protein, F female, FEV 1 forced expiratory volume in 1 s, FVC forced vital capacity, Hb haemoglobin, HR hazard ratio, M male, O open thoracotomy, OT operative time, PS performance status, V video-assisted thoracoscopic surgery, VC vital capacity, WBC white blood cell
  2. -, neither group met for the requirements for the proper statistical conditions