Table 1

Correlation between the global clinical and MRI score and outcome after shunting

Category of GSSR+SR−Total
SR+, Improvement after shunting; SR−, no improvement after shunting; positive predictive value of “probable” SR: 91% (95% CI 71–99); negative predictive value of “improbable” SR, 50% (95% CI 16–84).
SR is probable20222
SR is possible11718
SR is improbable448