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Table 2 Hazard ratiosa for development of cancers: multivariate analyses

From: The effect of menopausal hormone therapy on gastrointestinal cancer risk and mortality in South Korea: a population-based cohort study

Outcome variables

MHT users

Non-users

HR

95% CI

P

n

Rateb

n

Rateb

Any cancer

838

0.60

3918

0.57

1.053

0.977, 1.134

0.1800

GI cancer

182

0.13

1108

0.16

0.809

0.691, 0.946

0.0081

 Gastric

65

0.05

403

0.06

0.787

0.605, 1.023

0.0733

 Colorectal

60

0.04

388

0.06

0.757

0.577, 0.995

0.0457

 Hepatobiliary

40

0.03

237

0.03

0.847

0.606, 1.186

0.3336

 Pancreatic

16

0.01

68

0.01

1.163

0.674, 2.008

0.5872

  1. Other covariates (age group, income, region, Charlson comorbidity index, and year of study entry) were adjusted in each survival analysis
  2. CI confidence interval, GI gastrointestinal, HR hazard ratio, MHT menopausal hormone therapy
  3. aAdjusted hazard ratios for mortality in MHT users compared to non-users
  4. bThe incidence rates were calculated per 100,000 person-years