Table 1

Characteristics of the included studies

ReferenceStudy designNumber of patients (diabetic subjects/control subjects)Mean age (years) (diabetic subjects/control subjects)Patient group and Source (diabetic subjects/control subjects)Type of diabetesOutcomesLanguageQuality score (1–5)
Ishay et al. 2005 (19)Cross-sectional, controlled411/16059.6/53.3Only women from a diabetes outpatient clinicsType 2 diabetesPrevalence, duration, urinary protein, creatinine, A1CEnglish4
Bonadio et al. 2004 (9)Cross-sectional, controlled228/14657.7/59.0Only women from metabolic/cardiology outpatient clinicsType 1 and type 2 diabetesPrevalence, duration, A1C, GFREnglish3
Makuyana et al. 2002 (25)Cross-sectional, controlled123/5351.0/46.0Only black race from diabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesPrevalenceEnglish2
Geerlings et al. 2000 (10)Cross-sectional, controlled636/153Not available/47.8Only women from diabetes outpatient clinics/eye and trauma outpatient clinicsType 1 and type 2 diabetesPrevalence, duration, urinary protein, A1C, UTI anamnesisEnglish3
Kelestimur et al. 1990 (26)Cross-sectional, controlled110/100Not availableHospital patientsType 1 and type 2 diabetesPrevalenceTurkish1
Schmitt et al. 1986 (27)Cross-sectional, controlled752/20055.0/54.0Outpatient clinics/outpatient clinicsType 2 diabetesPrevalenceEnglish4
Abu-Bakare et al. 1986 (28)Cross-sectional, controlled190/190Not availableOnly black race from diabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesPrevalenceEnglish4
Rozsai et al. 2006 (18)Cross-sectional, controlled133/17815.6/14.1Children and adolescents from diabetes outpatient clinics/medical studentsType 1 diabetesPrevalenceEnglish4
Mendoza et al. 2002 (29)Cross-sectional, controlled50/50Not availableOnly women from Diabetes outpatient clinic/outpatient clinicType 2 diabetesPrevalenceSpanish1
Vigg et al. 1977 (30)Cross-sectional, controlled87/9318–60/18–60 (range)Diabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesPrevalenceEnglish1
Joffe et al. 1974 (31)Cross-sectional, controlled100/3657.0/72.0Diabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesPrevalenceEnglish1
Rozsai et al. 2003 (12)Cross-sectional, controlled178/19415.1/14.4Children and adolescentsType 1 diabetesPrevalenceEnglish3
Boroumand et al. 2006 (20)Cross-sectional20256.0Only women from diabetes outpatient clinics/outpatient clinicsType 2 diabetesUrinary proteinEnglish1
Zhanel et al. 1995 (11)Cross-sectional1,072>16Only women from diabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesCreatinine, A1C, UTI anamnesisEnglish1
Boyko et al. 2005 (32)Controlled follow-up (2 years)218/799Not availablePostmenopausal women from an epidemiological cohort studyType 1 and type 2 diabetesPrevalenceEnglish2
Sotiropoulos et al. 2005 (13)Controlled follow-up (12 months)363/35061.3/63.0Only women from diabetes outpatient clinics/outpatient clinicsType 2 diabetesPrevalence, duration, A1CEnglish3
Ribera-Montes et al. 2006 (21)Follow-up (12 months)45768.3Diabetes outpatient clinics/health centerType 2 diabetesUTI during follow-upSpanish3
Karunajeewa et al. 2005 (7)Follow-up (2.9 years)496Not availableDiabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesCreatinine, UTI during follow-upEnglish3
Geerlings et al. 2001 (14)Follow-up (18 months)37859.4Only women from diabetes outpatient clinics/health centerType 1 and type 2 diabetesUTI during follow-upEnglish3
Semetkowska-Jurk 1995 (22)Follow-up (14 years)49Not availableDiabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesUTI during follow-upEnglish3
Meiland et al. 2,006 (15)Follow-up (6 years)34851.1Only women from diabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesGFR, hypertensionEnglish4
Harding et al. 2002 (8)Intervention105Antibiotics 57.0/placebo 53.7Only women from diabetes outpatient clinics/outpatient clinicsType 1 and type 2 diabetesUTIEnglish5
  • Of the non-English articles, only abstracts in English were reviewed.