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. Author manuscript; available in PMC: 2024 Jun 14.
Published in final edited form as: Neurosurgery. 2015 Nov;77(5):755–761. doi: 10.1227/NEU.0000000000000915

TABLE 4.

Predictive Factors for Pain Relief Following Second GKRSa

Variable Odds Ratio 95% CI P Value
Response to first GKRS (BNI I-IIIb vs BNI IV-V) 11.98 2.77–51.82 <.001
Facial numbness after first GKRS 12.26 3.19–47.05 <.001
Hypertension 4.56 1.22–17.07 .02
Time between first and second GKRS 1.33 0.95–1.85 .10
Non-GKRS procedure between first and second GKRS 1.24 0.07–23.68 .89
a

CI, confidence interval; BNI, Barrow Neurologic Institute; GKRS, Gamma Knife radiosurgery.