A box-graph method for illustrating relative-size relationships in a 2 x 2 table.

Abstract:

:The proportional relationships of the four numbers in a 2 x 2 table can be displayed using two types of box graphs. In one approach, a 'unitary square' is first divided according to the denominator proportions of the two groups formed in a cohort or case-control study, and then re-divided according to the numerator proportions in each group. In the second method, the numbers are arranged as four squares, proportionately sized according to the square root of each number, and contiguously adjacent to a central reference point. The methods offer a pictorial format for showing contingency counts in a manner analogous to the graphs used for other forms of data.

journal_name

Int J Epidemiol

authors

Feinstein AR,Kwoh CK

doi

10.1093/ije/17.1.222

subject

Has Abstract

pub_date

1988-03-01 00:00:00

pages

222-4

issue

1

eissn

0300-5771

issn

1464-3685

journal_volume

17

pub_type

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