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Table 2 Analysis of factors influencing LOS (categorical data)

From: Patient and service-level factors affecting length of inpatient stay in an acute mental health service: a retrospective case cohort study

   

Length of Stay (days)

p value

Items

n

Mean

Median

IQR

Min

Max

 

Length of Stay

 

97

36.10

22

40

0

226

 

Gender

M

65

35.43

17

38

0

226

0.326

F

32

37.44

28

47

1

147

 

Accomodation

Independent

78

33.71

19

41

0

147

0.449

Hotel

2

22.00

22

–

3

41

 

Supported

3

36.67

28

–

28

54

 

NFA

10

61.60

27

91

2

226

 

Family

2

3.50

3.50

–

2

5

 

Prison

1

40

–

–

–

–

 

Nursing

1

55

–

–

–

–

 

Previous admission

Y

9

35.67

16

54

1

140

0.852

N

88

36.14

22

42

0

226

 

Previous A + E Presentation

Y

28

36.89

21

56

0

147

0.946

N

69

35.77

22

33

1

226

 

Previous MHA Assessment

Y

7

60.57

55

74

1

147

0.120

N

90

34.19

18

36

0

226

 

HTT Referral

Y

34

36.91

23.50

51

1

147

0.889

N

63

35.65

19

40

0

226

 

Under HTT

Y

35

36.06

22

48

1

147

0.723

N

60

36.82

20.50

40

0

226

 

HTT Location

A

10

28.10

6.50

45

1

123

0.364

B

17

36.06

27

42

4

140

 

C

10

41.20

20

79

1

147

 

HTT Medical Review

Y

11

22.55

7

21

1

140

0.077

N

86

37.83

23

48

0

226

 

Under CMHT

Y

30

44.87

27.50

59

1

147

0.092

N

67

32.16

16

35

0

226

 

CMHT Location

A

1

61

–

–

–

–

0.664

B

7

49.43

35

82

2

124

 

C

6

24.00

27.50

34

3

41

 

D

9

59.33

28

93

14

140

 

E

1

25

–

–

–

–

 

F

6

39.33

16

77

1

147

 

Allocated CC

Y

27

48.44

28

69

1

147

0.033

N

70

31.33

16

24

0

226

 

Under RC

Y

56

43.70

27.50

54

1

226

0.034

N

41

25.71

15

26

0

212

 

Under other community team

Y

33

38.45

22

36

1

226

0.973

N

64

34.88

21.50

46

0

147

 

Day of Admission

Mon

13

17.62

8

18

1

80

0.115

Tue

15

28.53

16

21

1

226

 

Wed

16

36.00

19

47

1

131

 

Thu

18

51.06

40.50

65

2

147

 

Fri

14

37.14

29.50

21

0

124

 

Sat

9

32.33

25

41

2

88

 

Sun

12

44.83

16.50

88

1

212

 

OOH

Y

63

38.52

22

47

0

212

0.391

N

34

31.59

16

36

1

226

 

MHA Assessment

Y

56

43.04

28.50

47

0

212

0.005

N

41

26.61

14

23

1

226

 

Route of admission

Community

20

36.50

19.50

31

1

226

0.286

A + E

62

40.44

27

47

0

212

 

Liaison

11

15.91

6

14

2

57

 

Criminal Justice System

3

21.33

16

–

8

40

 

HTT

1

25

–

–

–

–

 

Legal Status

Inf

53

19.85

10

22

0

147

≤0.001

S2

40

49.43

38.50

44

2

121

 

S3

3

82.00

83

–

39

124

 

CTO recall

1

      

Ax ward admission

Y

56

24.86

7.50

30

0

212

≤0.001

N

41

51.44

31

55

5

226

 

Ax ward discharge

Y

31

5.81

4

4

1

48

≤0.001

N

66

50.32

32

43

0

226

 

Acute Ward

A

6

33.33

32

15

17

56

0.301

B

4

23.25

24.50

9

16

28

 

C

3

95.00

31

–

28

226

 

D

7

53.14

40

61

16

123

 

E

3

96.33

110

–

55

124

 

F (PICU)

7

42.14

19

39

8

140

 

G (PICU)

2

67.50

67.50

–

39

96

 

H

3

77.33

80

–

5

147

 

Out of area admission

Y

31

46.16

37

47

0

131

0.002

N

66

31.36

16

30

1

226

 

Locum Consultant

Y

28

49.68

34

38

8

140

≤0.001

N

69

30.58

14

32

0

226

 

Increased obs level

Y

24

68.08

47.50

67

8

226

≤0.001

N

73

25.58

16

31

0

131

 

Discharge Diagnosis

Depression

8

22.88

6

17

2

131

≤0.001

Psychosis

29

62.62

40

66

7

226

 

Bipolar

8

53.88

44.50

54

25

96

 

Personality disorder

20

20.50

6

23

1

147

 

Substance misuse

11

20.09

16

35

2

57

 

Other

21

20.95

10

29

0

111

 

Medication

Nil

6

23.17

20

41

2

57

0.031

Monotherapy

28

20.64

9

22

2

124

 

Polypharmacy

53

48.68

29

61

1

226

 

Identified DTOC

Y

2

127.00

127.00

–

28

226

0.144

N

95

34.18

19

40

0

212

 

Discharge destination

Home

75

30.53

17

33

0

131

0.04

Supported

2

28.00

28.00

0

28

28

 

Family

5

26.40

16

51

2

63

 

NFA

6

16.50

8

36

2

40

 

Rehab

2

183.00

183.00

–

140

226

 

Other

7

79.71

55

114

2

212

 

Discharge Team

CMHT

26

45.27

28

62

1

131

0.069

HTT

44

25.30

16

30

1

111

0.106

Other

17

29.24

17

34

1

110

0.917

Referral to accommodation

Y

2

183.00

183

–

–

–

0.018

N

95

33.00

19

40

0

212

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