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Table 2 Proportion of patients readmitted (%) by patient subgroup and different periods of follow-up (log rank test p values from relevant Kaplan-Meier readmission-free curves)

From: Factors influencing emergency medical readmission risk in a UK district general hospital: A prospective study

  

28 days

p*

3 months

p*

6 months

p*

12 months

p*

Sex

Men

7.7

0.017

13.5

0.009

18.3

0.003

24.1

0.01

 

Women

6.8

 

12.4

 

16.8

 

22.7

 

Age group

<60

5.4

<0.001

8.8

<0.001

11.8

<0.001

15.8

<0.001

 

60–74

8.2

 

15.1

 

19.7

 

26.4

 
 

>75

8.5

 

15.8

 

22.3

 

29.6

 

Admission method

A&E

6.9

0.07

12.7

0.2

17.4

0.79

23.3

0.93

 

GP referral

7.7

 

13.4

 

17.7

 

23.4

 
 

Other

7.8

 

11.6

 

17.6

 

23.9

 

Length of Stay

<2

5.9

<0.001

8.6

<0.001

11.2

<0.001

14.7

<0.001

 

2–5

6.5

 

10.9

 

15.5

 

21.4

 
 

6–11

8.0

 

15.6

 

21.2

 

28.0

 
 

>11

8.8

 

17.4

 

22.3

 

31.0

 

Number of coded co-morbidities

None

6.1

<0.001

9.6

<0.001

13.2

<0.001

17.3

<0.001

 

1

6.0

 

9.8

 

13.3

 

17.5

 
 

2

7.0

 

12.3

 

16.4

 

22.2

 
 

3

8.3

 

15.8

 

21.6

 

28.9

 
 

4

7.3

 

14.3

 

18.7

 

24.4

 

Diagnosis

ACS

7.2

<0.001

13.0

<0.001

17.2

<0.001

22.3

<0.001

 

COPD/Asthma

8.7

 

15.7

 

22.1

 

30.1

 
 

Heart Failure

11.1

 

22.7

 

31.3

 

37.5

 
 

Stroke

4.5

 

9.6

 

14.6

 

23.0

 
 

All other

7.0

 

12.3

 

16.6

 

22.3

 

Deprivation

Affluent

7.1

0.44

11.8

0.002

15.8

<0.001

21.0

<0.001

 

2

7.2

 

12.5

 

17.0

 

22.2

 
 

3

6.9

 

13.0

 

18.1

 

24.2

 
 

Deprived

7.7

 

14.3

 

19.2

 

25.9

 

Total

 

7.2

 

12.9

 

17.5

 

23.3

 
  1. *Log Rank test
  2. A&E: Accident and Emergency, GP: General Practitioner, ACS: Acute Coronary Syndrome, COPD: Chronic Obstructive Pulmonary Disease