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Table 3 Univariate and multivariate analyses of OS and LCSS after 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 (matching)

Multivariate analyses (matching)

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

     

 Segmentectomy

0.914 (0.730–1.444)

0.434

0.920 (0.677–1.249)

0.593

    

Age (years)

        

 ≤ 60

Reference

 

Reference

 

Reference

 

Reference

 

 61–70

2.231 (1.456–3.420)

< 0.001

2.016 (1.152–3.527)

0.014

2.012 (1.310–3.089)

0.001

1.804 (1.028–3.164)

0.040

 71–80

3.530 (2.345–5.314)

< 0.001

3.265 (1.918–5.558)

< 0.001

3.169 (2.101–4.780)

< 0.001

2.966 (1.738–5.062)

< 0.001

 ≥ 81

4.836 (3.073–7.610)

< 0.001

3.119 (1.670–5.827)

< 0.001

4.780 (3.030–7.540)

< 0.001

3.078 (1.643–5.765)

< 0.001

Sex

        

 Female

Reference

 

Reference

 

Reference

 

Reference

 

 Male

1.419 (1.149–1.753)

0.001

1.408 (1.056–1.876)

0.020

1.212 (0.979–1.501)

0.078

1.228 (0.918–1.642)

0.166

Race

        

 White

1.116 (0.730–1.705)

0.613

1.074 (0.610–1.891)

0.804

    

 Black

0.816 (0.460–1.445)

0.485

0.854 (0.401–1.818)

0.683

    

 Others

Reference

 

Reference

     

Marital status

        

 No

0.892 (0.722–1.102)

0.288

1.064 (0.795–1.424)

0.677

    

 Yes

Reference

 

Reference

     

Laterality

        

 Left

Reference

 

Reference

     

 Right

1.117 (0.905–1.379)

0.301

1.191 (0.894–1.587)

0.231

    

Primary site

        

 Upper

1.221 (0.978–1.525)

0.077

1.189 (0.880–1.607)

0.259

    

 Middle

1.076 (0.607–1.906)

0.803

1.012 (0.464–2.204)

0.976

    

 Lower

Reference

 

Reference

     

Histopathology

        

 ADC

1.298 (1.012–1.663)

0.040

1.589 (1.138–2.218)

0.007

1.194 (0.927–1.537)

0.169

1.456 (1.037–2.047)

0.030

 SCC

1.619 (1.238–2.119)

< 0.001

1.502 (1.021–2.209)

0.039

1.248 (0.944–1.650)

0.120

1.166 (0.781–1.740)

0.453

 Others

Reference

 

Reference

 

Reference

 

Reference

 

Grade

        

 I

Reference

 

Reference

 

Reference

 

Reference

 

 II

1.881 (1.325–2.670)

< 0.001

1.612 (1.023–2.538)

0.039

1.749 (1.216–2.516)

0.003

1.430 (0.894–2.289)

0.136

 III–IV

2.567 (1.803–3.653)

< 0.001

2.218 (1.405–3.502)

0.001

2.267 (1.570–3.274)

< 0.001

1.957 (1.216–3.147)

0.006

  1. OS, overall survival; LCSS, lung cancer-specific survival; HR, hazard ratio; CI, confidence interval; ADC, adenocarcinoma; SCC, squamous cell carcinoma