Table 3 Patient characteristics of patients that had follow-up information available at 12 and 6 months after treatment.

From: Delta-radiomics features during radiotherapy improve the prediction of late xerostomia

 

Follow-up info at 12 months

Follow-up info at 6 months

Characteristics

N = 68

%

N = 88

%

Sex

Female

20

29

26

30

Male

48

71

62

70

Age

18–65

48

71

62

70

>65

20

29

26

30

Tumour site

Oropharynx

22

32

27

31

Hypopharynx

0

0

1

1

Nasopharynx

5

7

5

6

Larynx

22

32

27

31

Oral cavity

15

22

23

26

Unknown primary

1

1

1

1

Other

3

4

4

5

Tumour classification

T0

1

1

1

1

T1

11

16

14

16

T2

14

21

19

22

T3

17

25

19

22

T4

23

34

33

38

Unknown

2

3

2

2

Node classification

N0

23

34

28

33

N1

9

13

13

15

N2abc

31

46

41

47

N3

3

4

4

5

Systemic treatment

Yes

34

50

47

53

No

34

50

41

47

Treatment technique

IMRT

27

40

30

34

VMAT

41

60

58

66

Bilateral

Yes

57

84

72

82

no

11

16

16

18

Baseline xerostomia

Any

26

38

36

41

None

42

62

52

59