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Table 3 Comparison of clinical characteristics between the two groups

From: The prevalence and clinical correlates of medical disorders comorbidities in patients with bipolar disorder

Ā 

BD with comorbid medical disorders(nā€‰=ā€‰882,63.32%)

BD without comorbid medical disorders(nā€‰=ā€‰511,36.68%)

Ļ‡2/t/z-value

P-value

Illness course

13.98ā€‰Ā±ā€‰11.41

10.63ā€‰Ā±ā€‰10.01

-5.52--怐-5.77怑

ā€‰<ā€‰0.01**

Onset Age

28.32ā€‰Ā±ā€‰12.47

24.81ā€‰Ā±ā€‰10.62

5.34--怐5.57怑

ā€‰<ā€‰0.01**

Onset Symptom

Ā Ā 

0.44

ā€‰=ā€‰0.51

Ā Ā Mania/Hypomania

342(38.78%)

189(36.99%)

Ā Ā 

Ā Ā Depression

540(61.22%)

322(63.01%)

Ā Ā 

Family History of mental disorder

Ā Ā 

0.20

ā€‰=ā€‰0.66

Ā Ā Positive

234(26.53%)

130(25.44%)

Ā Ā 

Ā Ā Negative

648(73.47%)

381(74.56)

Ā Ā 

Onset Form

Ā Ā 

0.22

ā€‰=ā€‰0.90

Ā Ā acute

280(31.75%)

160(31.31%)

Ā Ā 

Ā Ā Sub-acute

103(11.68%)

64(12.52%)

Ā Ā 

Ā Ā chronic

499(56.58%)

287(56.16%)

Ā Ā 

Psychotic features

Ā Ā 

5.62

ā€‰=ā€‰0.02*

Ā Ā Yes

372(42.18%)

249(48.73%)

Ā Ā 

Ā Ā No

510(57.82%)

262(51.27%)

Ā Ā 

Admission numbers

3.21ā€‰Ā±ā€‰2.68

2.87ā€‰Ā±ā€‰2.43

2.12

ā€‰=ā€‰0.03

Length of stay Last admission

48.49ā€‰Ā±ā€‰51.10

45.58ā€‰Ā±ā€‰35.69

1.13

ā€‰=ā€‰0.26

Suspected precipitating event for index event

Ā Ā 

1.49

ā€‰=ā€‰0.22

Ā Ā Yes

199(22.56%)

130(25.44%)

Ā Ā 

Ā Ā No

683(77.44%)

381(74.56%)

Ā Ā 

Premorbid personality

Ā Ā 

2.38

ā€‰=ā€‰0.30

Ā Ā Introverted

617(69.95%)

371(72.60%)

Ā Ā 

Ā Ā Extroverted

246(27.89%)

134(26.22%)

Ā Ā 

Ā Ā Neutral

19(2.15%)

6(1.17%)

Ā Ā 

Smoking

Ā Ā 

9.60

ā€‰<ā€‰0.01**

Ā Ā Yes

173(19.61%)

67(13.11%)

Ā Ā 

Ā Ā No

709(80.39%)

444(86.89%)

Ā Ā 

Drinking alcohol

Ā Ā 

4.68

ā€‰=ā€‰0.03*

Ā Ā Yes

99(11.22%)

39(7.63%)

Ā Ā 

Ā Ā No

783(88.78%)

472(92.37%)

Ā Ā 

Suicide attempt

Ā Ā 

0.04

ā€‰=ā€‰0.85

Ā Ā Yes

336(38.10%)

192(37.57%)

Ā Ā 

Ā Ā No

546(61.90%)

319(62.43%)

Ā Ā 

Suicide behavior

Ā Ā 

0.08

ā€‰=ā€‰0.78

Ā Ā Yes

140(15.87%)

84(16.44%)

Ā Ā 

Ā Ā No

742(84.13%)

427(83.56%)

Ā Ā 

Revisiting Times

19.98ā€‰Ā±ā€‰20.35

20.93ā€‰Ā±ā€‰20.56

-0.84

ā€‰=ā€‰0.40

Age of onset manic episode

30.91ā€‰Ā±ā€‰14.13

27.07ā€‰Ā±ā€‰11.51

Ā 

ā€‰<ā€‰0.01**

Age of onset depressive episode

29.91ā€‰Ā±ā€‰13.36

25.63ā€‰Ā±ā€‰11.27

5.87

ā€‰<ā€‰0.01**

Numbers of manic episode

2.79ā€‰Ā±ā€‰2.76

2.30ā€‰Ā±ā€‰1.94

Ā 

ā€‰<ā€‰0.01**

Numbers of depressive episode

2.29ā€‰Ā±ā€‰2.39

1.91ā€‰Ā±ā€‰1.62

Ā 

ā€‰<ā€‰0.01**

  1. *pā€‰<ā€‰0.05, **pā€‰<ā€‰0.01