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Table 3 Clinical characteristics of patients with postoperative acute exacerbation after initial and second surgeries

From: Survival after repeated surgery for lung cancer with idiopathic pulmonary fibrosis: a retrospective study

Variablea

Initial N = 6

Second N = 3

p Valueb

Age, years

71.3 ± 8.2

72.7 ± 8.4

1.000

Sex

 Male

6

3

NA

 Female

0

0

Smoking history (PY), mean

50.8 ± 8.3

78.7 ± 43.6

0.381

FEV1%, mean

81.9 ± 5.2

87.5 ± 11.2

0.393

%VC, mean

78.5 ± 9.8

64.4 ± 19.7

0.262

KL-6 (U/ml), mean

1204.4 ± 638.4

606.3 ± 279.2

0.143

AE risk score, mean

12.8 ± 1.2

9.0 ± 1.7

0.024

 Low risk

0

2

 

 Intermediate risk

6

1

 

Tumor location

 Upper

2

0

0.417

 Lower

4

3

Surgical procedure

 Wedge

0

1

0.333c

 Segmentectomy

1

2

 Lobectomy

5

0

Histology

 Ad

2

1

0.301

 Sq

4

1

 Ad-Sq

0

1

Pathological stage

 IA

0

1

0.392

 IB

4

2

 IIA

1

0

 IIB

1

0

  1. aCategorical data are expressed as numbers, and continuous data are expressed as means ± standard deviation
  2. bValues of p < 0.05 are significant
  3. cValue is a comparison between wedge vs. segmentectomy and lobectomy
  4. NA not available, PY pack year, FEV1 forced expiratory volume in 1 s, VC vital capacity, KL-6 sialylated carbohydrate antigen KL-6, AE acute exacerbation, Ad adenocarcinoma, Sq squamous cell carcinoma, Ad-Sq adenosquamous cell carcinoma
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BMC Pulmonary Medicine

ISSN: 1471-2466

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