| First author (year) |
Country |
Ethnicity |
No. of subject |
Sex M/F/Fetus |
Age (mean ± SD) |
Disease duration (year) |
Detection method |
CTG Repeat length |
Disease severity(Muscular Impairment Scale) |
| Cases/+ve cases |
Control |
Cases |
Control |
Cases |
Control |
| Catherine et al., (1992) |
Canada |
Canadian |
272/272 |
140 |
- |
- |
- |
- |
- |
PCR-Southern blotting |
- |
- |
| Martina et al., (2011) |
Germany |
German |
22/22 |
22 |
9/13 |
11/11 |
43.1 ± 12.6 |
50.1 ± 9.0 |
13.2 ± 7.0 |
PCR-Southern blotting |
614 ± 306(80–1100) |
3.6 ± 0.9 (1-5) |
| Gharehbaghi-Schnel et al., (1998) |
Austria |
Austrian |
18/18 |
26 |
11/7 |
- |
39.2 |
- |
- |
PCR-Southern blotting |
2439(300-6000) |
2.94 (1-5) |
| Siciliano et al., (2001) |
Italy |
Italian |
199/199 |
- |
116/83 |
- |
45.9 ± 17.4 |
- |
- |
PCR-Southern blotting |
- |
- |
| Giovanni et al., (2006) |
Italy |
Italian |
20/20 |
20 |
11/9 |
11/9 |
37 |
- |
12 |
- |
461 ± 365 (100-1570) |
2.75(1-5) |
| So Yeon Kim et al., (2008) |
Korea |
Korean |
283/124 |
47 |
71/52/1 |
- |
- |
- |
- |
PCR-Southern blotting |
480(50-2770) |
- |
| Maria Rita et al., (1995) |
Brazil |
Brazilian |
235/111 |
120 |
- |
- |
- |
- |
- |
PCR-Southern blotting |
1770(100-9000) |
- |
| Christine Delaporte (1998) |
France |
Fransisi |
15/15 |
14 |
6/9 |
- |
35 |
35.7 |
|
PCR-Southern blotting |
(260-1000) |
- |
| Khalil et al., (2010) |
Morocco |
Morocco |
24/24 |
30 |
14/10 |
- |
- |
- |
- |
PCR-TP-PCR-Southern blotting |
- |
- |
| M. Gouridevi et al., (1998) |
India |
Indian |
19/19 |
- |
15/4 |
- |
30.4 ± 12.9 |
- |
5.2 ± 4.2 |
PCR-Southern blotting |
90-313 |
- |
| Toscano et al., 2005 |
Italy |
Italian |
36/36 |
22 |
- |
- |
27 ± 11 |
32.5 ± 11.9 |
- |
PCR-Southern blotting |
50-˃1500 |
- |
| Present Study |
India |
Indian |
27/27 |
40 |
16/4 |
32/8 |
32.8 ± 9.3 |
31.0 ± 8.6 |
6.9 ± 4.8 |
PCR-TP-PCR |
- |
2.87(1-5) |
|
