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] |