Table 2 Comparison of clinical characteristics between PWE with high suicidal tendency and PWE without (Result of using univariable analysis).

From: Risk factors for suicidal tendency in people with epilepsy in China: a case–control study

Variable

With Suicidal Tendency (%)

N = 42

Controls (%)

N = 126

OR (95%CI)

P

Age at onset of epilepsy(years)

30 + 

5 (11.9)

12 (9.5)

1.0 (reference)

 

18–30

11 (26.2)

41 (32.5)

0.64 (0.19–2.21)

0.49

10–18

18 (42.9)

59 (46.8)

0.73 (0.23–2.35)

0.60

 < 10

8 (19.0)

14 (11.1)

1.37 (0.35–5.33)

0.65

Frequency (per year)

0–3

11 (26.2)

66 (52.4)

1.0 (reference)

 

Yearly

8 (19.0)

18 (14.3)

2.67 (0.93–7.62)

0.07

Monthly

14 (33.3)

31 (24.6)

2.71 (1.10–6.65)

0.03*

Weekly

9 (21.4)

11 (8.7)

4.91 (1.65–14.57)

 < 0.01**

No-seizure time(months)a

 > 12

3 (7.1)

34 (27.0)

1.0 (reference)

 

6–12

4 (9.5)

19 (15.1)

2.39 (0.48–11.80)

0.29

3–6

4 (9.5)

13 (10.3)

3.49 (0.69–17.76)

0.13

< 3

31 (73.8)

60 (47.6)

5.86 (1.67–20.59)

0.01**

Aura

No

25 (59.5)

83 (65.9)

1.0 (reference)

 

Yes

17 (40.5)

43 (34.1)

1.31 (0.64–2.69)

0.46

Nonpsychiatric comorbidities

No

37 (88.1)

116 (92.1)

1.0 (reference)

 

Yes

5 (11.9)

10 (7.9)

1.56 (0.50–4.88)

0.44

Etiology

Unknown

17 (40.5)

80 (63.5)

1.0 (reference)

 

Genetic

1 (2.4)

8 (6.3)

0.59 (0.07–5.02)

0.63

Immune

1 (2.4)

16 (0.8)

4.71 (0.28–79.01)

0.28

Infectious

6 (14.3)

31 (4.8)

4.71 (1.35–16.37)

0.02*

Structural

17 (40.5)

80 (24.6)

2.58 (1.17–5.69)

0.02*

Types

Focal

34 (81.0)

88 (69.8)

1.0 (reference)

 

Generalized

8 (19.0)

38 (30.2)

0.55 (0.23–1.29)

0.17

  1. aNo-seizure time: The time(month) without seizure occurring.
  2. CI confidence interval, OR odds ratio.
  3. *P < 0.05; **P < 0.01.