Table 3.

Occurrence of adverse events in patients who underwent decompression surgery with respect to the anatomic compartments

Event	All (n = 13)	Intradural (n = 7)	Extradural (n = 6)	P*
Deep wound infection	1 (7.7)	0 (0.0)	1 (16.7)	0.789
Epidural hematoma	1 (7.7)	0 (0.0)	1 (16.7)	0.565
Cerebral fluid leakage	2 (15.4)	2 (28.5)	0 (0.0)	0.261
Revision surgery	4 (30.8)	2 (28.5)	2 (33.3)	0.899

*Comparison between intra-and extradural pathologies