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Table 1 Comparison of dementia recorded in Hospital Episode Statistics (HES) with information from the primary care Clinical Practice Research Datalink (CPRD)

From: Comparison of dementia recorded in routinely collected hospital admission data in England with dementia recorded in primary care

  Women with any HES record for dementia N (% of total) Women with HES record for Alzheimer’s dementia N (% of total) Women with HES record for vascular dementia N (% of total) Women with HES records only for dementia, not otherwise specified N (% of total)
  Number of admissions mentioning dementia   Number of admissions mentioning dementia   Number of admissions mentioning dementia   Number of admissions mentioning dementia
All 1 2+ All 1 2+ All 1 2+ All 1 2+
CPRD diagnosis fully agreeda 288 (85%) 93 (73%) 195 (92%) 155 (95%) 41 (93%) 114 (95%) 66 (88%) 14 (78%) 51 (90%) 65 (70%) 33 (60%) 32 (84%)
Diagnostic agreement uncertain 48 (14%) 30 (24%) 18 (8%) 9 (5%) 3 (7%) 6 (5%) 9 (12%) 4 (22%) 6 (10%) 24 (26%) 18 (33%) 6 (16%)
CPRD diagnosis disagreed 4 (1%) 4 (3%) 0 0 0 0 0 0 0 4 (4%) 4 (7%) 0
Total (=100%) 340 127 213 164 44 120 75 18 57 93 55 38
  1. aAll comparisons are with CPRD record of any dementia diagnosis