Skip to main content

Table 3 Ordinary least product (OLP) regression to detect fix and proportional bias

From: Comparison of CT derived body composition at the thoracic T4 and T12 with lumbar L3 vertebral levels and their utility in patients with rectal cancer

(a) T4 SMI vs L3 SMI

Parameter

Estimate

ASE

Parameter/ASE

Wald 95% CI interval

intercept

3.271

4.550

0.719

-5.788 to 12.311

slope

1.093

0.090

12.206

0.195 to 1.272

(b) T12 SMI vs L3 SMI

Parameter

Estimate

ASE

Parameter/ASE

Wald 95% CI interval

intercept

-3.695

2.273

-1.626

-8.220 to 0.830

slope

0.738

0.045

16.489

0.649 to 0.827

  1. T4 vs L3: no fix or proportional bias; T12 vs L3: proportional bias detected. ASE asymptotic standard error, CI confidence interval
Back to article page

BMC Cancer

ISSN: 1471-2407

Contact us