Patient demographics, tumour size, surgical approach, and preoperative fasting cortisol levels.

Table 1: Patient demographics, tumour size, surgical approach, and preoperative fasting cortisol levels.

	Frequency
Sex
Male	39
Female	25
Age (years)
0-15	0
16-30	5
31-45	19
46-60	27
61-75	10
> 75	3
Pituitary tumour size
< 1 cm	4
1-4 cm	29
> 4 cm	31
Surgical Approach
Transcranial	40 (62.5%)
Transsphenoidal	24 (37.5%)
Preoperative cortisol (fasting early morning) at first clinic visit post radiologic diagnosis
< 80 nmol/L	17 (26.6%)
80-140 nmol/L	12 (18.8%)
140-700 nmol/L	35 (54.7%)