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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Acad Radiol. 2013 Sep;20(9):10.1016/j.acra.2013.04.013. doi: 10.1016/j.acra.2013.04.013

Table 2.

Student t-test analysis of the correlation of response to treatment at six months with the pretreatment tumor PME/NTP and IPI parameters

complete response1 partial response1 p-value3
mean SD2 n mean SD n
PMR 1.42 0.21 13 2.46 0.40 7 0.00001
IPI4 2 1 13 3 1 7 0.06
1

Treatment response at six months. In this cohort there were no cases with stable disease or progressive disease.

2

Abbreviations: SD, standard deviation; n, number of observations.

3

The p-value refers to the comparison of the mean values of complete vs partial response in each group.

4

IPI was rounded up to the nearest integer considering the discrete values of IPI