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Table 2 Univariate and multivariate analyses of OS and LCSS before propensity score matching

From: Lobectomy versus segmentectomy in patients with stage T (> 2 cm and ≤ 3 cm) N0M0 non-small cell lung cancer: a propensity score matching study

Characteristic

Univariate analysis (unmatching)

Multivariate analysis (unmatching)

OS

LCSS

OS

LCSS

HR (95% CI)

P value

HR (95% CI)

P value

HR (95% CI)

P value

HR (95% CI)

P value

Surgical procedure

 Lobectomy

Reference

 

Reference

 

Reference

 

Reference

 

 Segmentectomy

1.561 (1.292–1.885)

< 0.001

1.551 (1.198–2.009)

0.001

1.447 (1.197–1.750)

< 0.001

1.436 (1.108–1.861)

0.006

Age (years)

        

 ≤ 60

Reference

 

Reference

 

Reference

 

Reference

 

 61–70

1.599 (1.390–1.838)

< 0.001

1.371 (1.147–1.638)

0.001

1.484 (1.290–1.708)

< 0.001

1.307 (1.093–1.564)

0.003

 71–80

2.314 (2.023–2.648)

< 0.001

1.780 (1.497–2.118)

< 0.001

2.189 (1.911–2.507)

< 0.001

1.722 (1.445–2.052)

< 0.001

 ≥ 81

3.870 (3.281–4.565)

< 0.001

2.469 (1.962–3.107)

< 0.001

3.674 (3.110–4.340)

< 0.001

2.406 (1.908–3.035)

< 0.001

Sex

        

 Female

Reference

 

Reference

 

Reference

 

Reference

 

 Male

1.525 (1.398–1.664)

< 0.001

1.378 (1.223–1.553)

< 0.001

1.502 (1.370–1.647)

< 0.001

1.320 (1.165–1.496)

< 0.001

Race

        

 White

1.619 (1.322–1.982)

< 0.001

1.373 (1.060–1.779)

0.016

1.544 (1.260–1.892)

< 0.001

1.302 (1.003–1.689)

0.047

 Black

1.671 (1.300–2.149)

< 0.001

1.615 (1.171–2.228)

0.003

1.697 (1.316–2.188)

< 0.001

1.563 (1.129–2.164)

0.007

 Others

Reference

 

Reference

 

Reference

 

Reference

 

Marital status

        

 No

0.790 (0.724–0.862)

< 0.001

0.087 (0.724–0.921)

0.001

0.776 (0.708–0.851)

< 0.001

0.821 (0.724–0.932)

0.002

 Yes

Reference

 

Reference

 

Reference

 

Reference

 

Laterality

        

 Left

Reference

 

Reference

     

 Right

1.011 (0.926–1.105)

0.801

1.010 (0.895–1.140)

0.873

    

Primary site

        

 Upper

1.118 (1.017–1.229)

0.020

1.159 (1.017–1.321)

0.027

    

 Middle

1.061 (0.860–1.308)

0.582

1.126 (0.849–1.495)

0.410

    

 Lower

Reference

 

Reference

     

Histopathology

        

 ADC

1.356 (1.221–1.505)

< 0.001

1.425 (1.237–1.641)

< 0.001

1.203 (1.082–1.337)

0.001

1.241 (1.075–1.432)

0.003

 SCC

1.870 (1.667–2.097)

< 0.001

1.649 (1.402–1.939)

< 0.001

1.300 (1.152–1.467)

< 0.001

1.112 (0.940–1.317)

0.216

 Others

Reference

 

Reference

 

Reference

 

Reference

 

Grade

        

 I

Reference

 

Reference

 

Reference

 

Reference

 

 II

2.065 (1.803–2.365)

< 0.001

2.370 (1.942–2.891)

< 0.001

1.745 (1.517–2.008)

< 0.001

2.123 (1.731–2.604)

< 0.001

 III–IV

2.648 (2.307–3.040)

< 0.001

3.321 (2.718–4.057)

< 0.001

2.180 (1.887–2.520)

< 0.001

2.967 (2.410–3.652)

< 0.001

  1. OS, overall survival; LCSS, lung cancer-specific survival; HR, hazard ratio; CI, confidence interval; ADC, adenocarcinoma; SCC, squamous cell carcino
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Journal of Cardiothoracic Surgery

ISSN: 1749-8090

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