From: HERALD (Health Economics using Routine Anonymised Linked Data)
 | Number of OP Visits from linked data (Mean [95% CI]) | # of self-reported OP visits from Questionnaire | Average Number of IP admissions from linked data (Mean [95% CI]) | # of self-reported IP admissions from Questionnaire | ||||
---|---|---|---|---|---|---|---|---|
 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Patient Stratification Schemes | 5 year | 1 year | 3 month recall period | 3 months recall period | 5 year | 1 year | 3 month recall period | 3 months recall period |
Disease Severity Index | ||||||||
Low (BASDAI < 40) (n = 119 & 133) | 16.78 [13.50-20.06] | 3.84 [2.96-4.72] | 0.87 [0.64-1.09] | 1.06 [0.76-1.36] | 2.43 [1.38-3.48] | 0.59 [0.26-0.91] | 0.11 [0.05-0.17] | 0.08 [0.03-0.13] |
High (BASDAI > = 40) (n = 117 & 163) | 21.89 [16.87-26.91] | 6.12 [4.29-7.95] | 1.51 [1.06-1.97] | 2.55 [1.54-3.55] | 3.01 [2.27-3.76] | 0.74 [0.51-0.97] | 0.17 [0.10-0.23] | 0.14 [0.07-0.21] |
Disease Functional Index | ||||||||
Low (BASFI < 40) (n = 110 & 117) | 14.17 [11.23-17.12] | 3.05 [2.28-3.81] | 0.73 [0.53-0.93] | 0.90 [0.62-1.18] | 2.31 [1.06-3.55] | 0.46 [0.12-0.80] | 0.11 [0.05-0.17] | 0.05 [0.01-0.09] |
High (BASFI > = 40) (n = 126 & 179) | 23.80 [18.93-28.67] | 6.65 [4.92-8.39] | 1.59 [1.16-2.02] | 2.58 [1.64-3.52] | 3.04 [2.40-3.69] | 0.81 [0.58-1.04] | 0.16 [0.10-0.22] | 0.16 [0.09-0.23] |
Age | ||||||||
Age < 50 (n = 90 & 164) | 18.29 [14.64-21.94] | 5.07 [3.10-7.03] | 1.30 [0.81-1.79] | 1.72 [0.80-2.65] | 1.91 [1.29-2.54] | 0.49 [0.24-0.74] | 0.16 [0.08-0.25] | 0.05 [0.01-0.09] |
Age > = 50 (n = 146 & 192) | 19.95 [15.65-24.24] | 4.91 [3.79-6.03] | 1.12 [0.84-1.39] | 1.84 [1.20-2.48] | 3.21 [2.31-4.11] | 0.77 [0.51-1.04] | 0.13 [0.08-0.18] | 0.15 [0.08-0.22] |
Sex | ||||||||
Male (n = 183 & 218) | 18.20 [14.85-21.55] | 4.35 [3.48-5.22] | 1.02 [0.79-1.25] | 1.60 [1.08-2.12] | 2.47 [1.96-2.97] | 0.55 [0.40-0.69] | 0.13 [0.08-0.18] | 0.10 [0.05-0.15] |
Female (n = 53 & 76) | 23.15 [16.50-29.80] | 7.11 [3.71-10.52] | 1.77 [0.98-2.57] | 2.47 [0.95-4.00] | 3.59 [1.62-5.57] | 1.03 [0.40-1.66] | 0.16 [0.06-0.26] | 0.14 [0.05-0.24] |
Disease Symptom | ||||||||
First Symptom at age < = 30 (n = 182 & 226) | 19.04 [15.51-22.57] | 4.81 [3.59-6.04] | 1.23 [0.92-1.54] | 1.85 [1.20-2.51] | 2.38 [1.95-2.81] | 0.58 [0.42-0.73] | 0.14 [0.09-0.19] | 0.10 [0.05-0.15] |
First Symptom at age > 30 (n = 54 & 70) | 20.22 [14.69-25.75] | 5.50 [3.86-7.14] | 1.04 [0.68-1.40] | 1.61 [0.95-2.27] | 3.97 [1.71-6.23] | 0.99 [0.33-1.65] | 0.16 [0.05-0.26] | 0.17 [0.06-0.28] |