| Country |
Author |
Total No. |
Regular T21 |
Translocation DS |
Mosaic DS |
| |
|
|
No |
% |
No |
% |
No |
% |
| North Africa |
|
|
|
|
|
|
|
|
| Algeria |
Current study |
22 |
20 |
91.0% |
01 |
04.5% |
01 |
04.5% |
| Morocco[5] |
Jaouadet al. 2010 |
852 |
820 |
96.2% |
27 |
03.1% |
05 |
00.6% |
| Tunisia [29] |
Chaabouniet al. 1999 |
500 |
456 |
91.2% |
20 |
04.0% |
24 |
04.8% |
| Libya[23] |
Vermaet al. 1990 |
150 |
144 |
96.0% |
04 |
2.67% |
01 |
0.67% |
| Sudan[50] |
Ellaithiet al. 2008 |
05 |
04 |
80.0% |
01 |
20.0% |
- |
- |
| Egypt [22] |
El-Gilanyet al. 2011 |
712 |
684 |
96.1% |
22 |
03.1% |
06 |
00.8% |
| Middle East |
|
|
|
|
|
|
|
|
| Saudi Arabia[28] |
Qahataniet al. 2011 |
72 |
68 |
94.4% |
03 |
04.1% |
01 |
01.5% |
| Yemen [51] |
Al-Maweriet al. 2015 |
50 |
50 |
100% |
- |
- |
- |
- |
| Oman [44] |
Al Harasi, 2010 |
680 |
640 |
94.1% |
20 |
2.94% |
19 |
2.79% |
| UAE [19] |
Murthy et al. 2007 |
141 |
138 |
97.9% |
01 |
00.7% |
01 |
00.7% |
| Qatar [52] |
Abdul Wahabet al. 2006 |
146 |
143 |
98.0% |
- |
- |
03 |
02.0% |
| Bahrain [53] |
Al-Arrayed, 1999 |
89 |
86 |
97.0% |
01 |
1.12% |
01 |
1.12% |
| Kuwait [54] |
Al-Awadiet al. 1991 |
1024 |
985 |
96.2% |
24 |
02.3% |
09 |
00.9% |
| Iraq [39] |
Al-Mefraji, 2012 |
39 |
33 |
84.6% |
01 |
2.56% |
05 |
12.8% |
| Jordan [17] |
Amayrehet al. 2012 |
80 |
74 |
92.5% |
02 |
02.5% |
03 |
03.8% |
| Turkey[10] |
Demirhanet al. 2015 |
1103 |
1020 |
92.5% |
28 |
02.5% |
28 |
02.5% |
| Iran [40] |
Mehdipouret al. 1996 |
150 |
132 |
88.0% |
01 |
0.63% |
17 |
11.3% |
| Asia |
|
|
|
|
|
|
|
|
| China [45] |
Wang et al. 2010 |
86 |
80 |
93.0% |
03 |
03.5% |
03 |
03.5% |
| Malaysia [26] |
Azmanet al. 2007 |
149 |
141 |
94.6% |
01 |
00.7% |
07 |
04.7% |
| India[36] |
Vermaet al. 1991 |
2410 |
2207 |
91.6% |
98 |
04.1% |
98 |
04.1% |
| India [55] |
Mandavaet al. 2010 |
1572 |
1400 |
89.1% |
111 |
07.1% |
29 |
01.8% |
| India [38] |
Chandra et al. 2010 |
1020 |
855 |
83.8% |
51 |
05.0% |
110 |
10.8% |
| India[56] |
Poddaret al. 2012 |
45 |
42 |
93.3% |
- |
- |
03 |
06.7% |
| India[4] |
Jayalakshamaet al.2010 |
870 |
756 |
86.9% |
77 |
08.8% |
37 |
04.3% |
| Pakistan[57] |
Ahmed et al. 2005 |
295 |
282 |
95.6% |
11 |
03.7% |
02 |
00.7% |
| Europe |
|
|
|
|
|
|
|
|
| France [46] |
Stoll et al. 1990 |
391 |
368 |
94.1% |
14 |
03.6% |
09 |
02.3% |
| England and Wales[27] |
Mutton et al. 1996 |
5737 |
5411 |
94.4% |
220 |
03.8% |
66 |
01.2% |
| Danemark[47] |
Zhu et al. 2013 |
987 |
932 |
94.4% |
29 |
02.9% |
26 |
02.6% |
| Ireland [58] |
Delvin and Morrison, 2004 |
208 |
197 |
94.7% |
03 |
01.4% |
08 |
03.8% |
| Bosnia and Herzegovina [41] |
Mačkić-Đurovićet al. 2014 |
73 |
60 |
82.1% |
05 |
06.9% |
08 |
11.0% |
| Kosovo[16] |
Kolgeciet al. 2013 |
305 |
285 |
93.4% |
17 |
05.6% |
03 |
01.0% |
| America |
|
|
|
|
|
|
|
|
| Brazil [43] |
Trevisanet al. 2014 |
644 |
598 |
92.9% |
26 |
04.0% |
20 |
03.1% |
| Mexico [48] |
Garduño-Zarazúaet al. 2013 |
510 |
445 |
87.3% |
15 |
02.9% |
43 |
08.4% |
| Chile [37] |
Asteteet al. 1991 |
83 |
68 |
81.9% |
- |
- |
15 |
18.1% |
| Australia |
|
|
|
|
|
|
|
|
| Australia [42] |
Staples et al. 1991 |
635 |
596 |
93.9% |
26 |
04.1% |
13 |
02.0% |
|
