Fig. 4From: Early and delayed assessments of quantitative gait measures to improve the tap test as a predictor of shunt effectiveness in idiopathic normal pressure hydrocephalusPositive response in any of three assessment measures. Positive response in any of three assessment measures on day1 (black line), day 4 (red line) or either day 1 or day 4 (blue line) showed high sensitivity but their specificities were lowBack to article page