Reintervention-free interval in the BN2, compared with BN1 and MN, group, from Kaplan-Meier survival curve, almost reached statistical significance (p=0.066) for longer reintervention-free duration of BN2 when all follow-up cases were included(Figure 1 ).
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Evolution of Technique in Endoscopic Transsphenoidal Surgery for Pituitary Adenoma: A Single Institution Experience from 220 Procedures.
2
0.0660
0.2790
The sentences
This improvement, however, did not reach statistical significance (p=0.279).