[Retracted] Surgical Treatment of Bilateral Chronic Subdural Hematoma

Table 1

Comparison of general data between the two groups of patients.

Clinical data	Neuroendoscopy (n = 74)	Drilling drainage (n = 79)	t/X^2
Gender (male/female)	40/34	49/30	0.998	0.318
Age (y)	62.83 ± 9.67	61.27 ± 10.94	0.932	0.353
History of hypertension	27 (36.49)	33 (41.77)	0.448	0.503
Diabetes history	20 (27.03)	23 (29.11)	0.082	0.774
History of trauma	32 (43.24)	40 (50.63)	0.838	0.360
Midline shift	26 (35.14)	31 (39.24)	0.276	0.600
Preoperative hematoma volume (mL)	138.76 ± 20.08	143.59 ± 18.07	1.566	0.120
Markwalder	2.43 ± 0.48	2.39 ± 0.37	0.579	0.563