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Table 3 Qualitative statistics for the age groups (N = 108)

From: Evidence-based design recommendations for prevalence studies on multimorbidity: improving comparability of estimates

Source of information N %
Source for P2+ (prevalence of 2 or more chronic conditions)
 Taken from paper 39 36.1%
 Calculated from paper 55 50.9%
 Extracted from graph 8 7.4%
 Estimated using P3 + a 6 5.6%
Source of age limits
 Both limits from paper 66 61.1%
 Lower limit imputed 4 3.7%
 Upper limit imputed 38 35.2%
 Both limits imputed 0 0%
  1. aUsing Holzer et al.’s [12] method