Figure 2From: A randomized trial of chlorhexidine gluconate on oral bacterial pathogens in mechanically ventilated patientsEffect of topical CHX on dental plaque scores (mean) and 95% confidence intervals. Triangle = placebo; Square = chlorhexidine gluconate (CHX) once a day; Circle = CHX twice a day. Days represent duration following mechanical ventilation. The confidence intervals were obtained based on data at each time point.Back to article page