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Table 1 Differences between inpatients with AN and AN+BPD

From: Impact of comorbid borderline personality disorder on the outcome of inpatient treatment for anorexia nervosa: a retrospective chart review

Variable

AN

AN+BPD

p

Age (years); M (SD)

26.12 (9.55)

(N = 1092)

26.65 (6.85)

(N = 68)

.549

Female gender; N (%)

1059 (97.0)

(N = 1092)

68 (100)

(N = 68)

.146

No. of previous inpatient treatments; M SD)

1.94 (2.97)

(N = 1054)

3.86 (3.49)

(N = 65)

<.001

No. of previous psychotherapeutic treatments; M SD)

0.67 (0.96)

(N = 140)

1.44 (1.74)

(N = 9)

.222

No. of previous psychiatric treatments; M SD)

0.17 (0.43)

(N = 140)

0.89 (1.69)

(N = 9)

.240

Weight in kg at admission; M (SD)

40.40 (6.36)

(N = 1092)

41.88 (5.83)

(N = 68)

.061

BMI (kg/m2) at admission; M (SD)

14.5 (1.82)

(N = 1092)

14.99 (1.83)

(N = 68)

.030

Weight in kg at discharge; M (SD)

47.52 (7.33)

(N = 1001)

48.06 (6.62)

(N = 63)

.567

BMI (kg/m2) at discharge; M (SD)

17.09 (2.14)

(N = 1001)

17.18 (2.13)

(N = 63)

.728

Total weight gain in kg; M (SD)

7.26 (5.21)

(N = 1001)

6.19 (5.87)

(N = 63)

.117

Weekly weight gain in kg; M (SD)

0.61 (0.92)

(N = 1001)

0.61 (1.92)

(N = 63)

.974

Length of stay (days); M (SD)

85.33 (49.80)

(N = 1088)

87.44 (67.14)

(N = 68)

.741

Ability to work at discharge; N (%)

  

.756

 Fit to work

233 (21.3)

15 (22.1)

 

 Unfit to work

409 (37.5)

28 (41.2)

 

 Unclear

450 (41.2)

25 (36.8)

 
 

(N = 1092)

(N = 68)

 

Medication at discharge; N (%)

  

<.001

 Yes

594 (54.4)

57 (83.8)

 

 No

498 (45.6)

11 (16.2)

 
 

(N = 1092)

(N = 68)

 

Discharge reason; N (%)

  

.148

 Regular

744 (68.1)

34 (50)

 

 Against medical advice

136 (12.5)

14 (20.6)

 

 To somatic hospital

42 (3.8)

5 (7.4)

 

 Other reasons

170 (15.6)

15 (22.0)

 
 

(N = 1092)

(N = 68)

 

No. of psychiatric comorbidities (in addition to BPD in AN+BPD); N (%)

  

<.001

 0

348 (31.9)

8 (11.8)

 

  ≥ 1

744 (68.1)

60 (88.2)

 
 

(N = 1092)

(N = 68)

 
  1. Note. AN anorexia nervosa, AN+BPD anorexia nervosa with comorbid Borderline personality disorder, BMI body mass index, M mean, SD standard deviation, p = statistical significance of independent t-tests for continuous and χ2-tests or Fisher’s exact test for categorical variables (corrected for unequal variances, if required), kg = kilogram