Table 6

Welch two samples t-test for comparison of mean area fraction (AF) of p53 and mdm-2 immunopositivity in primary versus recurrent MEC:

Welch Two Sample t-test (P53)

Dependent Variable

MEC

Mean AF

95% Confidence Interval

t

df

P value

Lower Bound

Upper Bound

P53 Mean Area Fraction

Primary MEC

23.12033

4.042945

9.200222

5.1179

72.87

0.00001

Recurrent MEC

18.23875

Welch Two Sample t-test (Mdm-2)

Dependent Variable

MEC

Mean AF

95% Confidence Interval

t

df

P value

Lower Bound

Upper Bound

Mdm-2 Mean Area Fraction

Primary MEC

40.89893

6.800357

11.822500

7.5658

30.697

0.00001

Recurrent MEC

34.14750

* The mean difference is significant at the 0.05 level

Abd-Elhamid and Elmalahy Diagnostic Pathology 2010 5:72   doi:10.1186/1746-1596-5-72