Clinical data		The number of cases (%)
Sex	male	26 (50.98)
Sex	female	25 (49.02)
Age	<40 years	9 (17.64)
	40 - 59 years	34 (66.67)
	≥60 years	8 (15.69)
Preoperative complications	hypertension	8 (15.69)
	diabetes	1 (1.96)
	thyroid disease	1 (1.96)
	heart disease	1 (1.96)
	none	41 (80.39)
Incidence	starting	46 (90.2)
Incidence	relapse	5 (9.80)
Tumor size	large adenoma	46 (90.20)
Tumor size	giant adenoma	5 (9.80)
Tumour texture	soft	29 (56.86)
Tumour texture	tough	22 (43.14)
Tumour blood supply	rich blood supply	28 (54.90)
Tumour blood supply	blood for general	23 (45.10)
	0	3 (5.88)
	I	14 (27.45)
Knops classification	II	19 (37.25)
	III	10 (19.61)
	IV	5 (9.81)
The extent of tumor resection	full cut	49 (96.08)
The extent of tumor resection	subtotal cut	2 (3.92)
Pathological classification	ACTH	2 (3.92)
	FSH	2 (3.92)
	GH	7 (13.73)
	GH and ACTH mixed	1 (1.96)
	NFPA	33 (64.71)
	PRL	4 (7.84)
	TSH	1 (1.96)
	TSH and FSH mixed	1 (1.96)
Degree of cerebrospinal fluid leakage	low-flow leakage	46 (90.20)
Degree of cerebrospinal fluid leakage	high-flow leakage	5 (9.80)
Intraoperative sellar floor reconstruction	simple sellar floor reconstruction	6 (11.76)
Intraoperative sellar floor reconstruction	multilayer sellar floor reconstruction	45 (88.24)