Table 1 Characteristics of study participants

Female

256

91

158

62

98

38

Male

25

9

17

68

8

32

 Home

219

78

128

58

91

42

 Hospital transfer

37

13

29

78

8

22

 Inpatient eating disorder program

23

8

17

74

6

26

 Other

2

< 1

1

50

1

50

Referral from outside Colorado

257

91

161

63

96

37

Mean^a

SD^a

Mean^a

SD^a

Mean^a

SD^a

t-test^b

pvalue

Age

28

22–37

27

22–38

31

22–37

15,900

0.15

Length of hospitalization (days)

22

15–30

23

16–33

21

13–28

13,754

0.07

 Admission

57.7

5.5

57.2

5.5

58.4

5.4

1.75

0.08

 Nadir

57

6.2

56.5

6.1

57.9

6.5

1.81

0.07

 Discharge

69

7.4

67.7

6.2

71.2

8.7

3.61

< .001

 Change in %IBW

12

8.4

11.2

7.5

13.3

9.6

2.03

0.04

 Admission

12.1

1.3

12

1.3

12.2

1.3

1.01

0.31

 Nadir

12

1.4

11.9

1.4

12.1

1.6

0.91

0.37

 Discharge

14.5

1.5

14.2

1.3

14.9

1.7

3.5

< .001

 Change in BMI

2.5

1.5

2.3

1.4

2.8

1.7

2.8

<.001

 Weekly weight gain (kg)

2

1.5

1.7

0.9

2.6

2.0

4.26

< .0001

 Admission

1457

249

1477

269

1424

209

−1.74

0.06

 Discharge

3175

762

3282

763

2996

728

−3.1

0.002