Table 5.

Surgical complications in skull base chordoma patients.

Variables	Number of patients			p-value
	Total	Derivation group	Validation group
Complications (%)	22 (13.2%)	15 (13.4%)	7 (12.7%)	0.905
Cerebrospinal fluid leakage	9 (5.4%)	5 (4.5%)	4 (7.3%)
Intracranial infection	5 (3.0%)	4 (3.6%)	1 (1.8%)
Cranial nerve defect	5 (3.0%)	3 (2.7%)	2 (3.6%)
Respiratory dysfunction	4 (2.4%)	4 (3.6%)	0 (0.0%)
Carotid artery injury	2 (1.2%)	2 (1.8%)	0 (0.0%)
Hypopituitarism	2 (1.2%)	1 (0.9%)	1 (1.8%)
Paralysis	1 (0.6%)	0 (0.0%)	1 (1.8%)