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Table 1 Propensity score matching results

From: Does monitoring need for care in patients diagnosed with severe mental illness impact on Psychiatric Service Use? Comparison of monitored patients with matched controls

Before matching

 

NN

n = 11677

CNCM

n = 235

  
 

mean

mean

t

p

age

40.7

sd = 0.11

42.0

sd = 0.77

-1.65 df = 11910

0.10

# days 1999-2004 that patient received (in- or out-patient) care

720

sd = 6.5

1383

sd = 47.3

-14.24 df = 11910

< 0.001

# in-patient days 1999-2004

170

sd = 4.0

681

sd = 50

-17.7 df = 11910

< 0.001

date of start of care episode in days since 1-1-1960

15624

sd = 6.8

14918

sd = 50.2

14.5 df = 11910

< 0.001

 

%

%

χ 2

p

men

42

60

27.5 df = 1

< 0.001

treatment status at baseline

  

83.5 df = 2

< 0.001

   new

29

6

  

   new episode

11

5

  

   persistent care

60

89

  

age

  

4.41 df = 3

0.22

   18-30 years

21

19

  

   31-40 years

28

26

  

   41-50 years

30

28

  

   51-65 years

22

27

  

After matching

 

NN

n = 612

CNCM

n = 231

  
 

mean

mean

t

p

age

42.6

sd = 11.2

42.0

sd = 11.7

0.77 df = 841

0.47

# days 1999-2004 that patient received (in- or out-patient) care

1418

sd = 679

1398

sd = 718

0.37 df = 841

0.71

# in-patient days 1999-2004

696

sd = 776

692

sd = 769

0.07 df = 841

0.95

date of start of care episode in days since 1-1-1960

14886

sd = 736

14904

sd = 763

-0.30 df = 841

0.76

 

%

%

χ 2

p

men

60

60

0.0003 df = 1

0.99

treatment status at baseline

  

0.03 df = 2

0.99

   new

5

5

  

   new episode

5

5

  

   persistent

90

90

  

age1

  

1.86 df = 3

0.60

   18-30 years

15

19

  

   31-40 years

28

26

  

   41-50 years

28

28

  

   51-65 years

28

27

  
  1. 1 Age was included in the matching procedure as a continuous variable. Categories of age are provided for descriptive purpose only