Table 2 Patient demographics

Total patients

64

Mean age ± standard deviation (years)

70.8 ± 9.9

Male versus female

31 versus 33

Unoperated clinically non-functioning PitNET/pituitary adenoma

25

Residual non-functioning PitNET/pituitary adenoma after surgery

39

 Open surgery

2

 Endoscopic surgery

32

 Combined surgery

5

Major medical history

 72-year-old man with superficial hemosiderosis

1

 71-year-old woman with cerebral aneurysm clip

1

 65-year-old man with jugular foramen schwannoma

1

Chiasma/optic nerve compression

37

 Chiasma compression

27

 Right optic nerve compression

5

 Left optic nerve compression

5