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Systematic review
The additional value of self-monitoring of blood glucose in patients with type 2 diabetes not using insulin is ‘not proven’
  1. Nanne Kleefstra1,2,3,
  2. Henk J G Bilo1,2
  1. 1Diabetes Centre, Isala clinics, Zwolle, The Netherlands
  2. 2University Hospital Groningen, Groningen, The Netherlands
  3. 3Langerhans Medical Research Group, Zwolle, The Netherlands
  1. Correspondence to Nanne Kleefstra, Dokter van Heesweg
    Dokter van Heesweg 2, 8025 AB Zwolle, Postbus 10400, 8000 GK Zwolle, The Netherlands; kleefstra{at}

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For patients with type 1 diabetes mellitus and patients with type 2 diabetes mellitus (T2DM), using insulin self-monitoring of blood glucose (SMBG) helps to improve glycaemic control.1 However, there is still much debate about the use and effectiveness of SMBG in non-insulin-treated T2DM: ‘The SMBG controversy’. In this study, Clar and colleagues have undertaken a review aiming to investigate the effects of SMBG on (among others) glycemic control, hypoglycaemia, quality of life and the cost of SMBG in patients with T2DM not using insulin or using basal insulin in combination with oral blood glucose lowering agents.


This was a systematic review investigating the effects of SMBG in patients with T2DM. The Cochrane Library, MEDLINE, EMBASE, PsycINFO and the Web of Science were searched for systematic reviews, meta-analyses, randomised controlled trials (RCT), observational studies (500 participants or more), qualitative studies and economic studies published since …

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  • Competing interests NK and HJGB have conducted a diabetes study which was partly funded by Roche diagnostics.