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Table 2 Platelet count and size in ASD family cohorts and pediatric controls

From: Platelet studies in autism spectrum disorder patients and first-degree relatives

  ASD Siblings Parents Pediatric controls
N 158a 103 186 65
Platelet count (×109/L blood) 318.7 ± 71.9 337.2 ± 67.6 300.6 ± 62.0 283.4 ± 67.2
Thrombocytosis 6 (3.8) 4 (4.0) 4 (2.1) 0 (0)
MPV (fL) 8.2 ± 1.0 (1) 8.3 ± 1.1 8.5 ± 1.1 8.8 ± 1.2
  1. Data are expressed as mean ± standard deviation (missing values) or n (%). Values are represented as unadjusted raw values. Thrombocytosis is defined by a platelet count >450 × 109/L. Platelet size is indicated with mean platelet volume (MPV)
  2. aAn EDTA blood sample was missing from one ASD patient from which platelet count and MPV could therefore not be measured. A MPV measurement for a second ASD patient was missing due to sampling failure of the counter