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Table 2 Characters of RCTs of different interventions (Chinese journals VS foreign journals)

From: Quality assessment of reporting of randomization, allocation concealment, and blinding in traditional chinese medicine RCTs: A review of 3159 RCTs identified from 260 systematic reviews

   Number of RCTs Adequate randomization
methods
Adequate allocation
concealment
Adequate blinding
Classification Chinese Foreign Total Chinese Foreign Total Chinese Foreign Total Chinese Foreign Total
      (%) (%) (%) (%) (%) (%) (%) (%) (%)
Drug Chinese standardized remedies 1135 42 1177 140(12) 13(31) 153(13) 32(3) 13(31) 45(4) 148(13) 36(86) 184(16)
  Chinese medicine extracts 241 107 348 7(3) 26(24) 33(9) 3(1) 30(28) 33(9) 12(5) 37(35) 49(14)
  Single herb 100 67 167 3(3) 9(13) 12(7) 0(0) 5(7) 5(3) 5(5) 62(93) 67(40)
  Individualized prescription 562 13 575 41(7) 4(31) 45(8) 1(0) 4(31) 5(1) 24(4) 10(77) 34(6)
  Mixture 115 20 135 4(3) 0(0) 4(3) 0(0) 0(0) 0(0) 10(9) 19(95) 29(21)
  Unclear 141 3 144 4(3) 0(0) 4(3) 3(2) 1(33) 4(3) 3(2) 0(0) 3(2)
  Total 2294 252 2546 199(9) 52(21) 251(10) 39(2) 53(21) 92(4) 202(9) 164(65) 366(14)
Non-drug Acupuncture 263 219 482 37(14) 69(32) 106(22) 17(6) 73(33) 90(19) 49(19) 149(68) 198(41)
  Massage 23 108 131 3(13) 21(19) 24(18) 0(0) 25(23) 25(19) 1(4) 36(33) 37(28)
  Total 286 327 613 40(14) 90(28) 130(21) 17(6) 98(30) 115(19) 50(17) 185(57) 235(38)
  χ2       59.99    185.10    184.11
  P       0.000    0.000    0.000
  1. * Comparison of drugs with non-drugs