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Table 1 Distribution of bibliographic references indicating the fewer studies on intermittent claudication in diabetes mellitus patients, derived from a literature search in PubMed (up to 3 January 2013)

From: Diabetes mellitus and intermittent claudication: a cross-sectional study of 920 claudicants

Keyword Number of references References in last 5 years
Diabetes Mellitus (DM) 322,586 76,595 (23.7%)
Peripheral Arterial Disease (PAD) 59,401 8,167 (13.7%)
Intermittent Claudication (IC) 7,999 1,147 (14.3%)
PAD & DM 3,777 1,067 (28.3%)
IC & DM 667 103 (15.4%)
Diabetic Foot (DF) 8,794 2,597 (29.5%)
  1. Note: The IC & DM group contains 0.2% of the articles about diabetes, 1.7% of those about PAD and 8.3% of those about IC. There is one article about IC & DM for every 10 articles about DF.