Skip to main content

Table 6 Inpatient (IP) Spells: Average Number of days as IP from Linked IP data

From: HERALD (Health Economics using Routine Anonymised Linked Data)

Patient Stratification Schemes

Average Number of days as IP from Linked IP data

(Mean [# attended][95% CI])

 

5 years

1 year

3 months recall period

Disease Severity Index

Low (BASDAI < 40)

10.82

[n = 100] [7.48-14.16]

5.06

[n = 36] [3.04-7.07]

1.43

[n = 14] [0.94-1.92]

High (BASDAI > = 40)

12.97

[118] [9.16-16.79]

5.62

[58] [3.87-7.37]

2.33

[24] [1.02-3.64]

Disease Functional Index

Low (BASFI < 40)

9.31

[81] [6.03-12.59]

4.04

[25] [1.51-6.57]

1.25

[12] [0.96-1.54]

High (BASFI > = 40)

13.57

[137] [9.99-17.15]

5.90

[69] [4.36-7.44]

2.35

[26] [1.13-3.56]

Age

Age < 50

7.11

[75] [4.74-9.48]

3.37

[30] [1.75-4.98]

1.4

[15] [0.94-1.86]

Age > = 50

14.55

[143] [10.90-18.19]

6.36

[64] [4.63-8.09]

2.39

[23] [1.03-3.75]

Sex

Male

12.13

[158] [9.22-15.04]

4.93

[69] [3.47-6.38]

2.00

[27] [0.90-3.10]

Female

11.72

[58] [6.14-17.31]

6.83

[24] [3.79-9.87]

2.00

[10] [0.57-3.43]

Disease Symptom

First Symptom at age < = 30

10.96

[170] [8.14-13.77]

4.65

[75] [3.31-6.00]

1.38

[29] [1.12-1.64]

First Symptom at age > 30

15.63

[48] [9.59-21.66]

8.37

[19] [4.76-11.98]

4.00

[9] [0.37-7.63]