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Table 4 Pairwise comparisons of local control of different size tumors

From: Clinical Analysis of stereotactic body radiation therapy using extracranial gamma knife for patients with mainly bulky inoperable early stage non-small cell lung carcinoma

 

Tumor size

≤3 cm

3~5 cm

5~7 cm

>7 cm

Method

 

Chi-Square

Sig

Chi-Square

Sig

Chi-Square

Sig

Chi-Square

Sig

Log Rank (Mantel-Cox)

≤3 cm

  

.002

.961

4.638

.031

.895

.344

 

3~5 cm

.002

.961

  

10.977

.001

4.541

.033

 

5~7 cm

4.638

.031

10.977

.001

  

.108

.742

 

>7 cm

.895

.344

4.541

.033

.108

.742