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Table 8 Abnormality rates of endocrine indices among the BD, atypical BD and simple anxiety groups

From: Do some anxiety disorders belong to the prodrome of bipolar disorder? A clinical study combining retrospective and prospective methods to analyse the relationship between anxiety disorder and bipolar disorder from the perspective of biorhythms

Variables

BD (n = 48)

Atypical (n = 63)

Anxiety (n = 111)

χ 2a

χ 2b

χ 2c

n (%)

n (%)

n (%)

HPT

TSH

12 (25.0)

18 (28.6)

3 (2.7)

0.074

9.412**

20.227***

T3

0 (0)

0 (0)

0 (0)

–

–

–

FT3

3 (6.3)

5 (7.9)

0 (0)

2.671

6.993**

7.012**

T4

0 (0)

0 (0)

0 (0)

–

–

–

FT4

3 (6.3)

5 (7.9)

0 (0)

0.158

6.993**

7.012**

HPA

ACTH

6 (12.5)

6 (9.5)

0 (0)

0.111

7.186**

7.132**

PTC

6 (12.5)

21 (33.3)

30 (27.0)

2.517

1.566

0.591

  1. **P < 0.01, ***P < 0.001
  2. arepresents the comparison between the BD group and the atypical group; brepresents the comparison between the BD group and the anxiety group; crepresents the comparison between the atypical group and the anxiety group