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Table 1 Characteristics of 1,256,049 patients in 308 general practices in the study

From: Adverse events recording in electronic health record systems in primary care

  Study population n (%)
Gender
 Male 620,000 (49.4)
 Female 636,024 (50.6)
Age
 0–4 64,080 (5.1)
 5–17 188,189 (15.0)
 18–44 429,686 (34.2)
 45–64 353,843 (28.2)
 65–74 125,886 (10.0)
 75–84 68,175 (5.4)
 85+ 26,165 (2.1)
Number of different medicines prescribed
 0 401,783 (32.0)
 1–4 559,774 (44.6)
 5–9 201,738 (16.1)
  ≥ 10 92,731 (7.4)
Number of chronic diseases
 0 769,604 (61.3)
 1 280,156 (22.3)
 2 111,195 (8.9)
  > 2 95,069 (7.6)