Intelligence Deficits in Chinese Patients with Brain Tumor: The Impact of Tumor Resection

Table 1

Demographic characteristics of all subgroups (M ± SD).

Subgroup	𝑁	Age	Years of education
		(M ± SD)	(M ± SD)
Healthy controls	22	38.86±12.12	12.50±3.42
Pituitary adenoma subgroup	13	34.31±10.77	13.85±3.58
Extracerebral subgroup	36	41.31±11.83	11.17±2.30
Intracerebral subgroup	54	37.93±13.73	11.74±3.09
Left hemisphere subgroup	45	38.91±12.08	12.00±3.20
Right hemisphere subgroup	38	38.74±14.21	11.00±2.30
Craniotomy	56	37.27±12.59	11.31±2.71
Transsphenoidal approach	11	34.91±11.37	13.18±3.43