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Table 3 Detection of the different platelet autoantibodies in ITP, non-ITP and healthy controls

From: Flow cytometric immunobead assay for quantitative detection of platelet autoantibodies in immune thrombocytopenia patients

Autoantibody category

ITP (n = 201)

Non-ITP (n = 126)

Healthy controls (n = 207)

Newly-diagnosed (n = 63)

Persistent (n = 60)

Chronic (n = 78)

Anti-GPIX antibody (ng/mL)

107.47 ± 81.68†‡§

93.91 ± 47.44†‡§

79.78 ± 56.41‡§

59.98 ± 23.46

52.89 ± 21.27

Anti-GPIb antibody (ng/mL)

159.04 ± 104.39*†‡§

134.52 ± 57.33†‡§

104.84 ± 36.91§

95.32 ± 27.44

86.28 ± 26.91

Anti-GPIIIa antibody (ng/mL)

128.24 ± 69.70*†‡§

94.60 ± 26.33‡§

89.19 ± 24.70‡§

72.41 ± 20.93

70.26 ± 23.29

Anti-GPIIb antibody (ng/mL)

154.63 ± 126.02*†‡§

94.17 ± 28.82‡§

98.54 ± 49.70‡§

74.36 ± 21.15

69.83 ± 23.23

Anti-P-selectin antibody (ng/mL)

145.18 ± 73.89*†‡§

124.92 ± 66.15‡§

129.26 ± 68.73‡§

73.29 ± 24.18

72.29 ± 25.31

  1. * p < 0.05 vs. Persistent ITP group with the same antibody
  2. † p < 0.05 vs. Chronic ITP group with the same antibody
  3. ‡ p < 0.01 vs. Non-ITP group with the same antibody
  4. § p < 0.01 vs. Healthy controls group with the same antibody