Table 1 Clinical characteristics of study subjects.

From: A novel variant of telomerase reverse transcriptase (TERT) associated with risk of glioma in a Korean population

Groups (WHO grade)

Number of subjects

Age (Mean + SD)

Male (%)

Molecular alteration (n)

IDH1 or IDH2 status (mutant/wildtype/NOS)

1p/19q codeletion (yes/no/NOS)

Gliomas (2–4)

317

53.4 ± 12.0

50.7%

84/230/3

67/239/11

Astrocytoma

49

42.3 ± 10.7

57.1%

49/0/0

0/48/1

Astrocytoma (2)

21

45.2 ± 10.8

61.9%

21/0/0

0/21/0

Astrocytoma (3)

12

38.5 ± 9.1

75.0%

12/0/0

0/11/1

Astrocytoma (4)

16

41.3 ± 11.2

37.5%

16/0/0

0/16/0

Oligodendroglioma

38

44.9 ± 9.6

57.9%

35/0/3

38/0/0

Oligodendroglioma (2)

16

46.1 ± 7.5

50.0%

14/0/2

16/0/0

Oligodendroglioma (3)

22

44.0 ± 11.0

63.6%

21/0/1

22/0/0

Glioblastoma (4)

230

54.2 ± 15.2

50.9%

0/230/0

29/191/10

Population controls

480

54.8 ± 9.5

49.4%

–

–

  1. SD standard deviation, IDH isocitrate dehydrogenase.