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Table 3 Socio-demographic characteristics of the 2C study denominator population (n = 9,676)

From: Comorbidity Cohort (2C) study: Cardiovascular disease severity and comorbid osteoarthritis in primary care

   Disease cohorts
   Reference Index CVD cohorts Index OA cohort CVD comorbid cohorts
Factors   -CVD -OA (0) n = 2535 (%) +Hyp -OA (1) n = 1322 (%) +IHD -OA (2) n = 2036 (%) +HF -OA (3) n = 259 (%) -CVD + OA (4)n = 1317 (%) +Hyp + OA (5) n = 1644 (%) +IHD + OA (6) n = 490 (%) +HF + OA (7) n = 73 (%)
Age group (years) 40-49 892 (35.2) 106 (8.0) 72 (3.5) 5 (1.9) 138 (10.4) 33 (2.0) 4 (0.8) 0 (0)
50-59 848 (33.5) 291 (22.0) 275 (13.5) 22 (8.5) 309 (23.5) 172 (10.4) 22 (4.5) 1 (1.4)
60-69 513 (20.2) 416 (31.5) 617 (30.3) 54 (20.8) 445 (33.8) 499 (30.4) 106 (21.7) 4 (5.5)
70-79 195 (7.7) 329 (24.9) 677 (33.3) 82 (31.7) 278 (21.1) 554 (33.7) 203 (41.4) 23 (31.5)
80≥ 87 (3.4) 180 (13.6) 395 (19.4) 96 (37.1) 147 (11.2) 386 (23.5) 155 (31.6) 45 (61.6)
Gender Men 1245 (49.1) 609 (46.1) 1334 (65.5) 142 (54.8) 563 (42.7) 611 (37.2) 205 (41.8) 31 (42.5)
  Women 1290 (50.9) 713 (53.9) 702 (34.5) 117 (45.2) 754 (57.3) 1033 (62.8) 285 (58.2) 42 (57.5)
Deprivation Status* Category 0 (most affluent) 525 (20.8) 266 (20.2) 368 (18.1) 38 (14.7) 267 (20.3) 327 (20.0) 86 (17.7) 13 (18.3)
  Category 1 1521 (60.1) 786 (59.8) 1251 (61.6) 156 (60.2) 808 (61.6) 980 (60.0) 310 (63.9) 43 (60.6)
  Category 2 (most deprived) 484 (19.1) 263 (20.0) 411 (20.3) 65 (25.1) 237 (18.1) 327 (20.0) 89 (18.4) 15 (21.1)
  1. CVD = Cardiovascular disease, OA = Osteoarthritis, Hyp = Hypertension, IHD = Ischaemic heart disease, HF = Heart failure. *Deprivation status is based on Index of Multiple Deprivation score and available for 9,636 patients and ‘most affluent’ as the top 20% of the sample and ‘most deprived’ as the bottom 20% of the sample.