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Table 2 Comparison of histologic parameters between fresh and cryopreserved PDXs

From: Impact of immediate cryopreservation on the establishment of patient derived xenografts from head and neck cancer patients

PT #

Method

Keratin pearl

Mitosis (10 HPF)

Necrosis (%)

PT97

Fresh

0

26

5

Cryopreserved

0

47

60

PT130

Fresh

10

24

20

Cryopreserved

10

4

10

PT133

Fresh

10

22

< 5

Cryopreserved

10

46

15

PT136

Fresh

80

5

< 5

Cryopreserved

60

10

< 5

PT137

Fresh

0

27

< 5

Cryopreserved

N/A

N/A

N/A

PT148

Fresh

0

16

< 5

Cryopreserved

0

16

 < 5

PT149

Fresh

0

28

10

Cryopreserved

0

31

60

 

Paired t-test

p = 0.34

p = 0.46

p = 0.12