Annals of African Medicine
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Year : 2015  |  Volume : 14  |  Issue : 4  |  Page : 182-187

The relationship between self-monitoring of blood glucose and glycaemic control among patients attending an urban diabetes clinic in Nigeria

1 Department of Medicine, College of Medicine, University of Lagos, Idi Araba, Lagos State, Nigeria
2 Department of Medicine, Ladoke Akintola University of Technology Teaching Hospital, College of Health Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
3 Department of Medicine, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria

Correspondence Address:
Sandra Omozehio Iwuala
College of Medicine, University of Lagos, Idi Araba, Lagos, PMB 12003
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1596-3519.155992

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Background/Objective: Self-monitoring of blood glucose (SMBG) is a component of modern diabetes mellitus (DM) self-management. Its value is discussed controversially, and its impact in resource poor settings has been infrequently studied. The aim of this report is to determine the pattern of SMBG and its relationship with glycemic control amongst type 2 DM (T2DM) patients attending an urban DM clinic in Lagos, Nigeria. Methods: Data were collected from patients with T2DM in a cross-sectional study, using systematic random sampling, with an interviewer-administered questionnaire investigating demographic data, DM history and SMBG practice. Weight, height, fasting plasma glucose (FPG) and glycated hemoglobin (HbA1c) were measured. Results: One hundred patients were studied consisted of 62 (62%) females and 38 (38%) males. The mean age, body mass index and HbA1c of the study population were 59.9 (9.5) years, 26.2 (5.6) kg/m2 and 7.9 (2.2%). The median (interquartile range [IQR]) FPG and duration of DM were 107.0 (82.0–142.0) and 8.5 (5.0–15.0) years respectively. SMBG was practiced by 40 (40.0%) patients with a median (IQR) of 6 (4–15) times/month. SMBG was performed more frequently by persons with tertiary level of education (P = 0.04) and DM duration ≥8.5 years (P = 0.04). The mean HbA1c in the group who practiced SMBG was lower though not statistically significant compared to the group that did not (7.8% vs. 8.0%, P = 0.61) practiced. The Spearman's rank correlation coefficient between the frequency of SMBG and HbA1c was −0.025, and P = 0.81 among the entire T2DM patients. Conclusion: There was no statistically significant relationship between SMBG and glycemic control. There is a need for larger studies to be carried out in order to justify the value of SMBG in resource poor settings.

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