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Table 3 Predictors of abnormal result

From: Is annual surveillance of all treated hypothyroid patients necessary?

Baseline Characteristics

Odds ratio

95% confidence interval

P value

Male

0.81

(0.59, 1.13)

0.21

Autoimmune hypothyroidism

0.98

(0.79, 1.22)

0.86

*Age at registration:

   

< 25 yrs

0.96

(0.54, 1.70)

0.96

> 60 yrs

1.36

(1.07, 1.73)

0.01

+Thyroxine dose at registration

   

<100 μg

1.34

(0.86, 2.09)

0.18

>150 μg

1.36

(0.98, 1.90)

0.07

Thyroid FU plan

   

18 monthly interval

0.66

(0.53, 0.81)

<0.001

  1. *Reference category: 25 to 60 years; +Reference category: 100 to 150 μg