Table IV.
Comparison of the PvuII-XbaI allele frequency of the human estrogen receptor-α gene with other studies.
| Gene | Genotypes, n (%) | Subject no. | Country/region | Author group (Refs) | ||
|---|---|---|---|---|---|---|
| PvuII | PP | Pp | pp | |||
| 40 (17.1) | 132 (56.4) | 62 (26.5) | 234 | Taiwan | The present study | |
| 43 (24.0) | 71 (39.7) | 65 (36.3) | 179 | Japan | Kitawaki et al (41) | |
| 371 (16.7) | 1058 (47.5) | 797 (35.8) | 2226 | Japan | Yamada et al (45) | |
| 6 (8.2) | 32 (43.8) | 35 (47.9) | 73 | Japan | Niino et al (46) | |
| 114 (20.7) | 255 (46.3) | 182 (33.0) | 551 | Japan | Kazama et al (47) | |
| 37 (21.5) | 88 (51.2) | 47 (27.3) | 172 | Japan | Wang et al (58) | |
| 12 (15.0) | 36 (45.0) | 32 (40.0) | 80 | Japan | Kikuchi et al (59) | |
| 16 (12.8) | 56 (44.8) | 53 (42.4) | 125 | China | Lin et al (48) | |
| 36 (16.4) | 98 (44.7) | 85 (38.8) | 219 | Korea | Koh et al (50) | |
| 44 (16.4) | 110 (41.1) | 114 (42.5) | 268 | Korea | Lee et al (51) | |
| 33 (21.2) | 77 (49.4) | 46 (29.5) | 156 | Italy | Massart et al (35) | |
| 134 (22.0) | 299 (49.0) | 177 (29.0) | 610 | Italy | Becherini et al (55) | |
| 132 (19.9) | 333 (50.3) | 197 (29.8) | 662 | Canada | Patel et al (56) | |
| 11 (17.2) | 32 (50.0) | 21 (32.8) | 64 | Poland | Jakimiuk et al (57) | |
| 25 (25.0) | 48 (48.0) | 27 (27.0) | 100 | Greece | Georgiou et al (60) | |
| XbaI | XX | Xx | xx | |||
| 23 (9.8) | 166 (70.9) | 45 (19.2) | 234 | Taiwan | The present study | |
| 78 (3.5) | 642 (28.8) | 1506 (67.7) | 2226 | Japan | Yamada et al (45) | |
| 7 (9.6) | 32 (43.8) | 34 (46.6) | 73 | Japan | Niino et al (46) | |
| 20 (3.6) | 159 (28.9) | 372 (67.5) | 551 | Japan | Kazama et al (47) | |
| 12 (7.0) | 56 (32.8) | 103 (60.2) | 171 | Japan | Wang et al (58) | |
| 8 (6.4) | 32 (25.6) | 85 (68.0) | 125 | China | Lin et al (48) | |
| 11 (5.0) | 75 (34.2) | 133 (60.7) | 219 | Korea | Koh et al (50) | |
| 14 (5.2) | 62 (23.1) | 192 (71.1) | 268 | Korea | Lee et al (51) | |
| 31 (19.9) | 70 (44.9) | 55 (35.2) | 156 | Italy | Massart et al (35) | |
| 117 (19.2) | 280 (45.9) | 213 (34.9) | 610 | Italy | Becherini et al (55) | |
| 82 (12.4) | 307 (46.3) | 273 (41.2) | 662 | Canada | Patel et al (56) | |
| 4 (6.25) | 22 (34.4) | 38 (59.4) | 64 | Poland | Jakimiuk et al (57) | |