| Published Findings | Total I50 Mean (N) | NGT I50 Mean (N) | IFG-T2DM I50 Mean (N) | Protocol |
|---|---|---|---|---|
| Current analysis | 139 (33) | 107 (23) | 226 (10) | Dynamic |
| Natali et al. [2] | 293 (7) | 240 (4) | 364 (3) | Stepped EIC |
| Laakso et al. [17] | 99 (12) | 56 (6) | 142 (6) | Stepped EIC |
| Rizza et al. [18] | - | 55 (15) | - | Stepped EIC |
| Kolterman et al. [6] | 221 (20) | 130 (7) | 270 (13) | Multiple EIC |