Table 2. Intra- and post-operative ratio of nasoseptal flap, CSF leakage, and reasons of revision operation after endoscopic transsphenoid approach

Parameters n (%)
Nasoseptal flap
 All 25 (23.4)
 Intra-operative 19 (17.8)
 Post-operative 6 (5.6)
CSF leakage
 Intra-operative 25 (23.4)
 Post-operative 16 (15)
Revision operation
 All 15 (14)
 Continuous CSF leak 8 (7.5)
 Hematoma 7 (6.5)
CSF: cerebrospinal fluid.