Skip to main content

Table 2 Unadjusted odds ratios for each electrocardiography measurement from conditional logistic regression

From: The limited utility of electrocardiography variables used to predict arrhythmia in psychotropic drug overdose

 

Odds ratio

95% confidence interval

Heart rate (beats/min)

1.28

1.07–1.53

QRS (ms)

1.36

1.13–1.62

QT (ms)

1.04

0.98–1.11

QTc

1.08

1.02–1.14

QT dispersion

1.12

1.00–1.26

Adjusted QT dispersion

1.58

1.08–2.32

JT dispersion

1.12

1.00–1.25

R wave in aVR (mm)a

1.62

1.16–2.24

R/S ratio in aVRb

3

1.66–5.40

  1. Odds ratios refer to a 10-unit change. a Odds ratio refers to a 5-unit change. b Odds ratio refers to a 0.5-unit change.
Back to article page

Critical Care

ISSN: 1364-8535