From: DEL in China: the D antigen among serologic RhD-negative individuals
Regions | Province/city | RhD-negative individuals (n) | Allele identification (n) | References | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 |  | G1227A PCR-SSP | Sequencing | RHD*DEL1 frequency among | ||||||
 |  | Total | Adsorption-elution positive | Neg | Pos | RHD*DEL1 | Others | Adsorption-elution positivea | Rh-negativeb |  |
Eastern China | Shanghai | 1585 | 279 | 11 | 268 | 268 | 11 | 96.1% | 16.9% | [28] |
Shanghai | 441 | 72 | 4 | 68 | 0 | 4 | 94.4% | 15.4% | [39] | |
Shandong | 74 | 22 | 0 | 22 | ND | ND | 100% | 29.7% | [40] | |
Northeastern China | Heilongjiang | 374 | 62 | 1 | 61 | 0 | 1 | 98.4% | 16.3% | [41] |
Southeastern China | Zhejiang, Jiangsu | 643 | 155 | 0 | 155 | ND | ND | 100% | 24.1% | [42] |
Jiangsu,Guangdong, Guangxi | 165 | 41 | 4 | 37 | 0 | 4 | 90.2% | 22.4% | [29] | |
Guangdong | 102 | 26 | 0 | 26 | 25 | 1 | 96.2% | 24.5% | [17] | |
Central China | Anhui | 808 | 178 | 10 | 168 | 0 | 10 | 94.4% | 20.8% | [30] |
Anhui | 515 | 142 | 12 | 130 | 0 | 12 | 91.5% | 25.2% | [43] | |
Anhui | 155 | 31 | ND | ND | 31 | 0 | 100% | 20.0% | [18] | |
Taiwan | N/A | 395 | 126 | 0 | 126 | ND | ND | 100% | 31.9% | [44] |
N/A | 294 | 94 | 0 | 94 | 94 | 0 | 100% | 32.0% | [45] | |
N/A | 118 | 38 | 0 | 38 | 38 | 0 | 100% | 32.2% | [47] | |
Total | Â | 5669 | 1266 | 42 | 1193 | 456 | 43 | 96.7%c | 21.6%c | N/A |