Fig. 2
From: Skating on thin ice: pragmatic prescribing for medication refractory schizophrenia
Clozapine co-prescribing with the most efficacious agents. Filled circles each represent a single patient, with the dark to light blue gradient representing lower to higher clozapine doses. The blue line is the linear regression trend line, whilst the dark grey area represents the 95 % confidence interval. Data are shown for co-prescribing with sodium valproate (top left), lithium (top right), amisulpride (bottom left), and quetiapine (bottom right)