Pan 1997 ( 25 ) |
China |
530 |
45.0 |
283 (53.4%) |
25.8 |
IGT |
Dietary and/or exercise individual advice |
Information about diabetes and IGT |
72.0 months |
3 |
Lindahl 1999 ( 26 ) |
Sweden |
186 |
55.5 |
69 (37.1%) |
30.6 |
IGT and obesity |
Dietary and physical activity intervention |
Usual advice |
12.0 months |
4 |
Lindstrom 2003 ( 27 ) |
Finland |
522 |
55.0 |
172 (33.0%) |
31.2 |
IGT and overweight |
Dietary and exercise individual advice |
Information about diet and exercise |
38.0 months |
5 |
Oldroyd 2006 ( 28 ) |
UK |
69 |
57.9 |
39 (56.5%) |
NA |
IGT |
Dietary and physical activity advice |
No dietary or physical activity advice |
24.0 months |
3 |
Kawahara 2008 ( 29 ) |
Japan |
426 |
51.4 |
199 (46.7%) |
24.6 |
IGT |
Diabetes education and support |
Information about diabetes and IGT |
37.0 months |
2 |
Roumen 2008 ( 30 ) |
Netherlands |
106 |
56.3 |
58 (54.7%) |
29.4 |
IGT |
Dietary and physical activity advice |
Information about diet and exercise |
36.0 months |
4 |
Yates 2009 ( 31 ) |
UK |
87 |
65.0 |
57 (65.5%) |
29.2 |
IGT |
Structured education program |
Advice leaflet |
12.0 months |
4 |
Bhopal 2014 ( 32 ) |
UK |
171 |
52.5 |
78 (45.5%) |
30.5 |
IGT |
Dietary and physical activity advice |
Standardized written and verbal advice |
36.0 months |
4 |
O’Dea 2015 ( 33 ) |
Ireland |
50 |
NA |
0 (0.0%) |
35.5 |
IGT |
Multidisciplinary team of nurses, dieticians, and physical activity specialists |
Standard healthcare advice |
12.0 months |
2 |
Van Name 2016 ( 34 ) |
USA |
122 |
43.4 |
0 (0.0%) |
35.3 |
Prediabetes |
Dietary, behavior, physical activity, and weight loss advice |
Usual care |
12.0 months |
3 |
Nanditha 2016 ( 35 ) |
India |
709 |
46.0 |
NA |
25.9 |
IGT |
Dietary and physical activity advice |
Standard lifestyle modification advice |
24.0 months |
4 |
Gokulakrishnan 2017 ( 36 ) |
India |
150 |
44.5 |
91 (60.6%) |
28.0 |
Prediabetes and overweight/obese |
Dietary and physical activity advice |
Standard lifestyle advice |
12.0 months |
2 |
Salas-Salvado 2019 ( 37 ) |
Spain |
248 |
65.0 |
NA |
32.5 |
Prediabetes and overweight/obese |
Dietary, behavior, physical activity advice |
Educational sessions on an ad libitum med-diet |
12.0 months |
4 |