Figure 1From: A randomized trial of chlorhexidine gluconate on oral bacterial pathogens in mechanically ventilated patientsStudy design. The final analysis was based on subjects having a microbiologic assessment at baseline and for at least the 48 hour (h) time point (n = 42 in the placebo group, 36 in the chlorhexidine gluconate (CHX) once a day group, and 37 in the CHX twice a day group).Back to article page