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Table 1 Prevalence of type 2 diabetes in North Africa 1995-2012

From: Prevalence and complications of diabetes mellitus in Northern Africa, a systematic review

 

Author

Sample size (participation rate %) +Methods

Age range

site

Methods

Prevalence (%) (95%CI)

Prevalence undiagnosed diabetes (% of all diabetics)

Prevalence IGT (%)(95%CI)

Prevalence IFG (%)

% Obese (BMI ≥ 30) (95% CI)

      

Males

Females

Total

  

Males

Females

Males

Females

Algeria

Malek 2001 [7]

1457 (90) Random sample

30-64

Urban and rural

OGTT (WHO 85)

8.6

7.8

8.2 (6.8-9.6) Urban: 9.7 Rural: 7.3

4 8

7.1 (5.8-8.4)

 

-

-

-

 

Latifa 2007 [8]

805 (72) Random sample

≥20

Urban

FBG (WHO)

15.7

16.5

16.1

-

-

-

 

10.5

27.9

 

Zaoui 2007 [9]

7656 Random sample

≥20

 

FBG (WHO 85)

15.8 Urban: 17.1 Rural: 14.1

7.5 Urban: 7.1 Rural: 7.8

10.5 Urban: 10.8 Rural: 10.1

-

-

  

43.2 Urban: 56.7 Rural: 27.2

37.1 Urban: 51.8 Rural: 20.0

Egypt

Herman 1995 [10]

4620 (41–85) Random sample

≥20

Urban and Rural

RPG+FBG (WHO 85)

Urban, higher SES: 12.9 Urban, lower SES: 7.0 Rural: 2.7

Urban, higher SES: 8.1 Urban, lower SES: 10.0 Rural: 2.1

Urban, higher SES: 20.0 Urban. lower SES: 13.5 Rural: 4.9

Urban, higher SES: 50 Urban, lower SES: 38 Rural: 51

Urban, higher SES: 8.6 Urban, lower SES: 5.4 Rural: 31.1

  

Urban, higher SES: 56 Urban, lower SES: 19 Rural: 6

Urban higher SES: 45 Urban, lower SES: 64 Rural: 25

Libya

Kadiki 2001 [11]

868 (86.6)

≥20

Urban and Rural

OGTT (WHO 98 ADA 97)

16.3 (14.5-18.3)

13 (10.0-16.1)

14.1 (10.9-17.1) Urban: 14.5 Rural: 13.5

38 Urban: 18 Rural: 49

8.5 (5.8-11.3) Urban: 5.8 Rural: 11.8

  

with diabetes: 19.5 with IGT: 11.8

 

Morocco

Tazi 2003 [12]

1662 (96.4) Random sample

≥20

Urban and Rural

FBG (ADA 97)

6.6 (4.7-8.6)

6.6 (5.1-8.1)

6.6 (5.4-7.8) Urban: 9.0 (7.1-10.8) Rural 4.4 (3.0-5.8)

    

7.2 (5.2-9.1)

19.1 (16.5-21.6)

Tunisia

Bougerra 2007 [13]

1735 (96.4) Random sample

≥19

Urban and Rural

FBG (WHO 80 ADA 97)

9.5 Urban: 12.3 Rural: 5.6

10.1 Urban: 12.5 Rural: 5.9

9.9

75

-

5.3 Urban: 5.5 Rural: 4.9

5.1 Urban: 4.8 Rural: 5.7

BMI ≥25: 5.4

BMI ≥25: 4.2

 

Ghannem 1992 [14]

555 (76) Random sample

≥20

semi-Urban

OGTT (WHO 85)

6.3

6.6

6,5

39

-

  

12

26

 

Ghari 2002 [15]

692 (69) Random sample

35-50

Urban and Rural

FBG (ADA 97)

6.1 Urban: 9.3 Rural: 2.0

8.9 Urban: 10.4 Rural: 4.5

7.2 Urban: 9.9 Rural: 3.4

31

-

   

37

 

Elasmi 2002 [16]

2483 (99.6) Random sample

35-70

Urban and Rural

FBG (ADA 97)

16 Urban: 17 Rural: 11

Urban: 15 Rural: 15

     

19 Urban: 19 Rural:: 11

46 Urban: 47 Rural:: 37

 

Elbagir 1996 [17]

1284 (not reported) Random sample

≥25

Urban and Rural

OGTT (WHO 85)

3.5

34

3.42 (2.4-4.4) Urban: 3.87 (2.6-5.2) Rural: 2.62 (1.2-4.1)

64 Urban: 63 Rural: 67

2.88 (2.0-3.8) Urban: 3.27 (2.1-4.5) Rural: 2.18 (0.8-3.5)

    
 

Elbagir 1998 [18]

724 (not reported) sample

≥25

Urban and Rural

OGTT (WHO 85)

Urban: 15.8 (9.2-22.4) Rural: 2.8 (2.1-7.7)

Urban: 10.7 (6.4-15.0) Rural: 8.3 (3.5-13.1)

8.25 (6.3-10.3) Urban: 9.54 (6.9-12.2) Rural: 6.08 (3.2-9.0)

62 Urban: 36 Rural: 50

7.87 (5.8-9.8) Urban: 8.03 (5.5-10.5) Rural: 7.60 (4.4-10.8)

  

BMI≥27: 24

BMI≥25: 45

  1. OGTT: Oral Glucose Tolerance Test FBG: Fasting Blood Glucose RPG: Random Plasma Glucose Test WHO 80/85/89: WHO Health Organozation 1985/98/99 diagnostic criteria ADA 97/04 America Diabetes Association 1997 diagnostic criteria IFG: Impaired Fasting Glucose IGT: Impaired Glucose Tolerance SES: Socioeconomic Status.