Figure 1
From: Comparison of two alternative study designs in assessment of medicines utilisation in neonates
Proportions of units prescribing frequently used active substances in the SES and the PPS. The SES and PPS data presented as triangles and circles, respectively. Active substances that were used in more than one unit in the SES (n = 99) are presented. Each number on the x-axis identifies the individual active substance. Upper 95% CI in the SES and lower 95% CI in the PPS are shown in error bars.