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Table 2 Mean tumor size before and after NACT (Paired sample statistics)

From: Role of p-glycoprotein expression in predicting response to neoadjuvant chemotherapy in breast cancer-a prospective clinical study

Status

Mean

(n)

Std.Deviation

Std. Error mean

    

Pre NACT tumor size(cm)

8

50

2.7

.50

    

Post NACT tumor size(cm)

4.3

50

2.1

.38

    
 

Paired differences

t

df

Significance (2-tailed)

Paired samples test

Mean

Std. deviation

Std. error mean

95% confidence interval of the difference

   

Pair 1: Pre NACT tumor size-Post NACT tumor size

3.677

1.6152

.2949

lower 3.074

upper 4.280

12.468

29

0.000