Figure 3From: The fading of reported effectiveness. A meta-analysis of randomised controlled trialsFunnel plots; shown is the relation between study size and reported effectiveness. None of the relations are statistically significant (Pravastatin P = 0.1327; Atorvastatin P = 0.8281; Timolol P = 0.2432; Latanoprost: P = 0.2251). Abbreviations: n, number of trials; IOP, intraocular pressure; LDL-C, low-density lipoprotein cholesterol.Back to article page