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Table 1 Characteristics of the 147 psychiatric inpatients in the study

From: A naturalistic study of high-dose unilateral ECT among severely depressed inpatients: how does it work in the clinical practice?

Characteristics

General (n = 147)

ECT group (n = 43)

Non-ECT group (n = 104)

P (between groups)

Age (±SD)

45.41 (±14.59)

51.12 (±14.85)

43.07 (±13.88)

0.002*

Number of previous hospitalizations (±SD)

3.33 (±4.88)

2.9 (±3.13)

5.51 (±5.45)

0.51

Age at the last hospitalization (±SD)

41.99 (±13.90)

48.64 (±15.18)

39.39 (±1.6)

0.004*

Sex

 Male (%)

57 (38.8)

11 (25.6)

46 (44.2)

0.03*

Ethnicity

 White (%)

125 (85)

41 (95.3)

84 (80.8)

0.02*

 Other (%)

22 (15)

2 (4.7)

20 (19.2)

 

Had ECT before

 Yes (%)

25 (17)

14 (32.5)

11 (10.5)

0.001*

Presence of Melancholy

 Yes (%)

99 (72.8)

33 (80.5)

66 (69.5)

0.132

Presence of Psychotic Symptoms

    

 Yes (%)

47 (33.1)

17 (41.5)

30 (29.7)

0.177

Maniac Episode in the Past

 Yes (%)

50 (35.5)

17 (42.5)

33 (32.7)

0.272

Number of medications in use:

Anti-depressives

 0 (%)

53 (35.8)

37 (40.2)

16 (44.4)

0.9

 1 (%)

62 (41.9)

45 (48.9)

17 (48.4)

 

 2 (%)

12 (8.1)

9 (9.8)

3 (8.3)

 

 3 (%)

1 (0.7)

1 (1.1)

0

 

Anticonvulsants

 0 (%)

105 (70.9)

33 (84.6)

72 (75.8)

0.46

 1 (%)

26 (17.6)

5 (12.8)

21 (22.1)

 

 2 (%)

3 (2)

1 (2.6)

2 (2.1)

 

Lithium

 Yes (%)

25 (16.9)

5 (12.8)

20 (21.3)

0.19

Typical anti-psychotics

 0 (%)

90 (60.8)

60 (65.9)

30 (76.9)

0.27

 1 (%)

32 (21.6)

26 (28.6)

6 (15.4)

 

 2 (%)

8 (5.4)

5 (5.5)

3 (7.7)

 

Atypical anti-psychotics

 0 (%)

49 (33.1)

38 (41.3)

11 (28.2)

0.13

 1 (%)

75 (50.7)

51 (55.4)

24 (61.5)

 

 2 (%)

7 (4.7)

3 (3.3)

4 (10.3)

 

Benzodiazepines

 0 (%)

82 (55.4)

54 (58.1)

28 (71.8)

0.29

 1 (%)

49 (33.1)

38 (40.9)

11 (28.2)

 

 2 (%)

1 (0.7)

1 (1.1)

0

 
  1. ECT Electroconvulsive therapy, SD Standard deviation
  2. * P < 0.05