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Table 3 Genotype and allele counts for the ERα Pvu II polymorphism in the included studies

From: Association between polymorphisms in the estrogen receptor alpha gene and osteoarthritis susceptibility: a meta-analysis

Group Study Coutry (City) OA site P (C) p (T) pp (TT) Pp (CT) PP (CC)
OA Control OA Control OA Control OA Control OA Control
European Barton L. Wise et al. USA Hand 261 192 347 230 101 65 145 100 58 46
J. A. Riancho et al. Spain (Coruña) Hip 213 217 291 271 89 76 113 119 50 49
J. A. Riancho et al. UK (Oxford) Hip 1109 776 1447 948 426 253 595 442 257 167
J. A. Riancho et al. UK (Oxford) Knee 399 776 491 948 123 253 245 442 77 167
J. A. Riancho et al. Spain (Santander) Hip 334 752 384 852 105 229 174 394 80 179
J. A. Riancho et al. Spain (Santander) Knee 246 752 298 852 79 229 140 394 53 179
J. A. Riancho et al. Spain (Santiago) Knee 235 377 273 569 65 176 143 217 46 80
J. A. Riancho et al. Spain (Santiago) Hip 239 377 335 569 99 176 137 217 51 80
John Loughlin et al. UK Hip,Knee 331 331 411 407 114 110 183 187 74 72
K. Lian M.D et al. USA Hip 481 3835 653 4391 188 1162 277 2067 102 884
European Total     3848 8385 4930 10037 1389 2729 2152 4579 848 1903
Asian Sheng-Yu Jin et al. Korea Knee 112 307 190 487 61 152 68 183 22 62
Toshio Ushiyama et al. Japan Hand 57 260 73 376 19 115 35 146 11 57
V. M. Borgonio-Cuadra et al. Mexico Knee 77 82 153 152 52 51 49 50 14 16
  Zhi Tian et al. China Knee 29 34 47 46 16 15 15 16 7 9
  Jiexiang Yang et al. China Knee 37 33 45 47 14 12 17 23 10 5
  Yan Xue et al. China Knee 53 151 57 201 17 57 23 87 15 32
  Xiaoyu Dai et al. China Knee 387 390 551 638 167 198 217 242 85 74
Asian Total     752 1257 1116 1947 346 600 424 747 164 255
Total     4600 9642 6046 11984 1735 3329 2576 5326 1012 2158