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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