Table 2.
Study characteristics of all studies
| Inclusion instudies | Type of study | Country | Sample sizes | Ages | Gender (F/M) | BMI | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| S | C | S | C | S | C | S | C | |||
| Michele [9] | RCT | Italy | 22 | 23 | 74 ± 8.9 | 72 ± 7.7 | 7/5 | 10/13 | 23 ± 2.8 | 24 ± 2.0 |
| Feng [13] | RCT | China | 30 | 30 | 47.3 ± 14.1 | 53.7 ± 18.7 | NR | NR | 23.2 ± 3.3 | 22.9 ± 3.5 |
| Leonard [14] | CR | England | 100 | 100 | 68 | 69.05 | 39/61 | 39/61 | 28 | 28.9 |
| Eustathios [15] | CR | Greece | 100 | 100 | 65.39 ± 8.38 | 65.51 ± 7.85 | NR | NR | 28.38 ± 3.09 | 27.94 ± 2.98 |
| Denis [16] | CR | America | 42 | 196 | 49.9 ± 7.1 | 63.9 ± 6.1 | NR | NR | NR | NR |
| Matthew [16] | CR | America | 333 | 3162 | 62 ± 11 | 64 ± 11 | 46.2/53.8 | 43.1/56.9 | 28.8 ± 5.3 | 30.2 ± 6.2 |
| Bouke [18] | CR | Netherlands | 52 | 52 | 69 ± 8.4 | 69 ± 8.4 | 24/28 | 18/34 | 25 ± 3.4 | 30.2 ± 6.2 |