Fig. 2From: The effect of an eye mask on midazolam requirement for sedation during spinal anesthesia: a randomized controlled trialEvaluation of the MOAA/S score over time, from the initial midazolam administration to 35 min later. Data represent the mean ± standard deviation (SD). MOAA/S, modified Observer Assessment of Alertness and Sedation. *P < 0.05, masked group vs. control groupBack to article page