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Table 5 Relation between iris density and clinical data of studied patients

From: Exploring the relationship between the density of the iris color and bipolar disorder: a case-control study, Egypt

Parameter

Low density Iris

High density Iris

χ2

P

n = 32 (%)

n = 16 (%)

Number of hospitalizations:

    

No

Yes

12 (37.5%)

20 (62.5%)

6 (37.5%)

10 (62.5%)

0

> 0.999

History of Suicide:

    

No

26 (81.3%)

16 (100%)

Fisher

0.064

Yes

6 (18.7%)

0 (0%)

  

ECT administration:

No

Yes

13 (40.6%)

19 (59.4%)

10 (62.5%)

6 (37.5%)

2.045

0.153

Family history of psychiatric illness:

    

Negative

Positive

13 (40.6%)

19 (59.4%)

10 (62.5%)

6 (37.5%)

2.045

0.153

Compliance with treatment:

No

Yes

13 (40.6%)

19 (59.4%)

11 (68.8%)

5 (31.3%)

3.375

0.066

 

Median(IQR)

Median(IQR)

Z

P

*Duration (year)

11.5 (4–19.5)

15 (1.25–22.25)

-0.449

0.653

**Frequency

4 (2–10)

8 (2.25–10)

-0.891

0.373

  1. χ2Chi square test Z Mann Whitney test IQR interquartile range *Duration: Total time (in years) since the onset of bipolar disorder. **Frequency: Total number of manic and depressive episodes experienced by the patient