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Table 2 Multivariate Analysis for Impact on Local Control

From: Definitive radiotherapy for early (T1-T2) Glottic Squamous cell carcinoma: a 20 year Cleveland clinic experience

Variables

p-value

HR

95% Confidence(LL, UL)

Heavy Alcohol Use

0.0006

  

Current vs Never

0.0002

42.32

(5.7,309)

Former vs Never

0.4738

0.44

(0.05, 4.2)

Current vs Former

0.0016

116.00

(6.0, 1656)

Ant Commisure Inv (n vs y)

0.0940

0.21

(0.03, 1.31)

T Stage

0.024

  

2b vs 1a

0.0288

0.09

(0.01, 0.78)

2b vs 1b

0.2

5.76

(0.4, 83.4)

2b vs 2a

0.8

0.78

(0.12, 5)

Total Dose (continuous variable)

0.246

1.00

(0.99, 1.00)

Field Weighting/Arrangement

0.0569

  

Bilateral (Weighted) vs Non

0.0027

11.36

(1.32, 100)

Bilateral (Weighted) vs Unilateral

0.0422

10.70

(1.09, 100)

Bilateral (Non-weighted) vs Unilateral

0.9473

0.93

(0.123, 7.11)

Subglottic Ext (n vs y)

0.7468

0.74

(0.117, 4.860)