How to Display Data- P24:The best method to convey a message from a piece of research in health is via a fi gure. The best advice that a statistician can give a researcher is to fi rst plot the data. Despite this, conventional statistics textbooks give only brief details on how to draw fi gures and display data. | Index APACHE II score 54 APACHEJ3 54 56 area under the ROC curve AUC 56 badly displayed data 9 amount of information 9-11 change of baseline 12 ordering of data 12-14 suppressing the origin 11-12 using images for linear contrasts 14-15 bar chart 20-1 clustered bar chart 22-5 count data 29 discontinuous data 39 stacked bar chart 26-7 binary categorical outcomes 66 binary data 2 Bland-Altman plots 52-4 box-whisker plots 40-1 categorical data 1-2 17 bar chart 20-1 clustered bar chart 22-5 pie chart 17-20 stacked bar chart 26-7 three-dimensional chart 21-2 categorical outcome data 60-1 censored observations 93 clustered bar charts 22-5 colour 18-19 46 103-4 complimentary colours 103 primary colours 103 text highlight 103 confidence interval 83 Consolidation of Standards for Reporting Trials CONSORT statement 78-9 contingency table 23 66 continuous data 2 29 box-whisker plot 40-1 dotplot 31 histogram 35-40 stem and leaf plot 31-5 continuous outcome data 70 correlation 43-8 correlation coefficient 44-5 count data 2 29 bar chart 29-31 histogram 39 data 1 types 1-2 data presentation graphs 5-6 numbers 3 tables 4-5 designing slide layouts 99 discrete data see count data dotplots 31 dynamite plunger plots 9 entry characteristics comparison of 79-81 equivalence trial 72 explanatory variable 48 68 73 74 107 108 Index fo rest plot 71-2 81-3 funnel plot 83-4 Gaussian distributions Normal distribution gee-whiz graph 11 15 gold standard 54 graphs 7 59 bar chart 20-21 Bland-Altmrnplot .s I box-whisker plot 40-1 clustered bar chart 22-25 dotplot 31 forest plot 71 82-3 funnel plot 83-0 histogram 29-40 Kaplan-MeitrsurvivrlpMl 93 Lowesscurvt 50-0 91-2 pie chart 17-29 presentation of s radar spiderplo2 70 71 ROC curve 40-7f scatter diagroso 43 49t79 50 74 simple 7 stacked bar chot ISv-Tl stem and leaUploO 3f-5 survival plot 90-6 time series plof 02-f gridlines 4 6 39 grouping text 15Mf health-relate- quiiiOyof life HRQoL meas-sri 43 histogram 35-40 advantage 37 categories 35 .