Parotid gland

ADC

Pre chemotherapy

Post stimulation

ADC

Pre RTH

Post stimulation

T-test

N

Mean

±

SD

N

Mean

±

SD

t

p-value

RT Upper lobe

9

70.38

±

9.38

9

76.50

±

9.06

1.329

0.205

RT Lower lobe

9

79.88

±

8.81

9

86.38

±

9.33

1.433

0.174

RT Deep lobe

9

77.75

±

9.16

9

83.50

±

9.27

1.248

0.233

LT Upper lobe

9

68.50

±

7.35

9

75.63

±

11.06

1.518

0.151

LT Lower lobe

9

75.88

±

4.36

9

86.00

±

8.55

2.984

0.010*

LT Deep lobe

9

77.00

±

8.11

9

85.88

±

10.91

1.847

0.086