| Lopes, M. P., et al. [14] | 2014 | Afro-Brazilian | Other Brazillian | 1042 | SCD GP | 1042 | 809 | 0 | ||||||
| Chavhan, A.B., et al. [15] | 2013 | Indians | Asian | 108 | GP | 108 | 2 | 0 | ||||||
| Rahimi, H., et al. [16] | 2014 | Iranian | Asian | 570 | HIV+ & −ve | 530 | 40 | 6 | 1 | |||||
| Biloglav, Z., et al. [17] | 2009 | Croatia | Caucasians | 1000 | GP | 942 | 95 | |||||||
| Kostrikis, L. G., et al. [18] | 1999 | African- Americans | Asian | 1442 | HIV +ve & −ve | 1235 | 207 | 5 | 0 | |||||
| Nkenfou, C. N., et al. [19] | 2013 | Cameroon | Africans | 179 | HIV +ve & −ve | 32 | 147 | 0 | 0 | 0 | 0 | |||
| Bharti, D., et al. [20] | 2015 | India | Asian | SN | 200 | 0 | 0 | |||||||
| Heydarifard, Z., et al. [21] | 2017 | Iranian | Asian | 400 | HIV +ve & −ve | 140 | 300 | 1 | 9 | 0 | 0 | |||
| Roy, P., et al. [22] | 2016 | Indians | Asian | 571 | HIV+ & −ve | 181 | 568 | 0 | 0 | |||||
| Zapata,W., et al. [23] | 2013 | Colombia | Caucasians | 239 | SP and HESN | 57 | 70 | 112 | 0 | 0 | ||||
| Mehlotra, R. K., et al. [24] | 2016 | Papua New Guinea | Other | 620 | GP | 620 | 0 | 0 | ||||||
| Corado, André de Lima, et al. [25] | 2016 | Brazilian | Caucasians | 177 | HIV +ve | 177 | 11 | 0 | ||||||
| Angelis, Daniela Souza et al. [26] | 2007 | Brazilian | Caucasians | 51 | HIV +ve | 51 | 2 | 0 | ||||||
| Vargas, A.E., et al. [27] | 2006 | Brazilian | Caucasians | 103 | GP | 103 | 7 | 1 | ||||||
| Carvalhaes, F et al. [25] | 2005 | Brazilian | Caucasians | 249 | Both SP and SN | 110 | 139 | 6 | 0 | 0 | 0 | |||
| Patrícia Munerato et al. [28] | 2003 | Brazilian | Caucasians | 298 | HIV +ve | 183 | 115 | 21 | 15 | 0 | 0 | |||
| Díaz, Francisco J, et al. [29] | 2002 | Brazilian | Caucasians | 68 | Both SP and SN | 29 | 39 | 1 | 1 | 0 | 1 | |||
| Pereira, Rinaldo W., et al. [30] | 2000 | Brazilian | Caucasians | 907 | GP | 907 | 93 | 2 | ||||||
| Rugeles, María T et al. [31] | 2011 | Colombia | Caucasians | 65 | HIV +ve & −ve | 28 | 37 | 1 | 1 | 0 | 1 | |||
| Rugeles, María T et al. [31] | 2011 | Colombia | Caucasians | 80 | HIV+ & −ve | 33 | 47 | 3 | 2 | 0 | 1 | |||
| Nina Valadez-González., et al. [32] | 2011 | Mexico | Caucasians | 355 | HIV +ve & −ve | 62 | 51 | 242 | 11 | 7 | 15 | 0 | 2 | 0 |