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Table 2 Reasons for hospital admission by 420 patients and their parents and the probability of an overlap

From: Reasons for admission and variance of body weight at referral in female inpatients with anorexia nervosa in Germany

Item

Frequencies [n (%)] parents (n  = 420)

Frequencies [n (%)] patients (n  = 420)

Frequency overlap parents/patient k

Point estimate for probability (p) (%)

95% confidence interval (%)

Low body weight

273 (65.0)

179 (42.6)

150

49.7

44.0–55.5

Rapid weight loss

193 (46.0)

117 (27.9)

93

42.9

36.2–49.7

Reduced food intake

218 (51.9)

153 (36.4)

111

42.7

36.6–49.0

Complete cessation of food and/or fluid intake

21 (5.0)

19 (4.5)

7

21.2

9.0–38.9

Vomiting (self-induced)

17 (4.0)

14 (3.3)

8

34.8

16.4–57.3

Hyperactivity

13 (3.1)

11 (2.6)

7

41.2

18.4–67.1

Depressed mood

108 (25.7)

103 (24.5)

54

34.4

27.0–42.4

Suicidal ideation

11 (2.6)

20 (4.8)

7

29.2

12.6–51.1

Social withdrawal

45 (10.7)

53 (12.6)

15

18.1

10.5–28.0

Compulsions

21 (5.0)

20 (4.8)

9

28.1

13.7–46.7

Other mental problems

6 (1.4)

9 (2.1)

2

15.4

2.0–45.4

Exhaustion

23 (5.5)

59 (14.0)

9

12.3

6.0–22.1

Dizziness

10 (2.4)

20 (4.8)

6

25.0

9.0–46.7

Low heart rate

18 (4.3)

12 (2.9)

6

25.0

9.0–46.7

Low blood pressure

5 (1.2)

3 (0.7)

1

14.3

0.4–57.9

Abnormal electrocardiogram

8 (1.9)

4 (1.0)

2

20.0

2.0–55.6

Abnormal blood laboratory values

3 (0.7)

5 (1.2)

1

14.3

0.4–57.9

Other somatic symptoms

4 (1.0)

5 (1.2)

0

0

nc-33.6

Increase in school absenteeism

4 (1.0)

6 (1.4)

0

0

nc-30.8

Family conflicts

60 (14.3)

51 (12.1)

24

27.6

18.5–38.2

Recommendation of physician or therapist

98 (23.3)

121 (28.8)

55

33.5

26.4–41.3

No reason for admission

1 (0.2)

27 (6.4)

0

0

nc-12.3

Other reasons

29 (6.9)

40 (9.5)

14

25.5

14.7–39.0

  1. k both parents and patients affirmed a specific reason; p the probability of an overlap in affirmed reasons; nc not computable