| Auteurs ou Etudes | Pays | Année | GS A | GS B | GS O | GS AB | RH + | RH − |
| CETTE ETUDE | RDC | 2017 | 21.6 | 15.4 | 60.5 | 205 | 98.4 | 1.6 |
| IDOWU [4] | NIGERIA | 2008 | 21.4 | 21.0 | 52.7 | 4.0 | 93.3 | 6.7 |
| SAID [44] | TUNISIE | 2003 | 37.6 | 22.5 | 59.3 | 6.7 | - | - |
| INST [45] | France | 2015 | 45 | 9.1 | 43 | 2.9 | 84.9 | 15.1 |
| LYKO [22] | KENYAN | 1992 | 26.2 | 22.0 | 47.4 | 4.4 | 96.1 | 3.9 |
| DEWAN [43] | COLOMBIE | 2016 | 51.2 | 8.7 | 37 | 3.1 | 91.3 | 8.7 |
| LOUA [42] | GUINEE | 2007 | 22.5 | 23.7 | 48.9 | 4.7 | 95.9 | 4.1 |
| GARRATTY [46] | USA | 2004 | 37.1 | 12.2 | 46.6 | 4.1 | 85.4 | 14.6 |
| CHANDRA [47] | INDE | 2012 | 21.7 | 39.8 | 29.1 | 9.3 | 95.7 | 4.3 |
| KABEMBA [7] | RDC | 2016 | 18.5 | 17.5 | 61.6 | 2.5 | 97.0 | 3.0 |
| BENAHADI [25] | MAROC | 2013 | 32.7 | 15.8 | 46.7 | 4.5 | 91 | 9 |
| TORABIZADE [3] | IRAN | 2015 | 28.5 | 24.7 | 40.2 | 6.6 | 92.4 | 7.6 |
| RANDRIAMANANTANY [48] | MADAGASCAR | 2012 | 22.6 | 29.7 | 41.6 | 6.1 | 98.9 | 1.1 |
| NDOULA [24] | CAMEROUN | 2014 | 25.1 | 21.9 | 48.6 | 4.4 | 96.3 | 3.7 |
| TESFAYE [49] | ETHIOPIE | 2015 | 28.1 | 23.1 | 43.1 | 5.4 | 92.1 | 7.9 |
| KAYIRAN [41] | TURQUIE | 2012 | 38.2 | 14.4 | 29.7 | 6.8 | 89.6 | 10.4 |
| MAINFRAY [18] | BRESIL | 1990 | 44 | 10 | 42 | 4 | - | - |
| APECU [50] | OUGANDA | 2016 | 24.6 | 20.7 | 50.3 | 4.5 | 98.0 | 2.0 |