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Table 1 Participant demographic characteristics (for sample 1)

From: Serum and cerebrospinal fluid immune mediators in children with autistic disorder: a longitudinal study

  Full sample Subsample with CSF
AUT TYP AUT
N 104 54 67
Male, n (%) 86 (83) 41 (76) 55 (82)
Race, n (%)
 Black 20 (19) 4 (7) 12 (18)
 Asian 4 (4) 0 3 (5)
 White 74 (71) 44 (81) 47 (70)
 Multiple races 5 (5) 5 (9) 4 (6)
 Unknown 1 (1) 1 (2) 1 (2)
Ethnicity, n (%)
 Hispanic 7 (7) 4 (7) 4 (6)
 Non-Hispanic 97 (93) 49 (90) 63 (94)
 Unknown 0 1 (2) 0
Age, M ± SD 4.41 ± 1.27 3.64 ± 1.11 3.60 ± 0.95
Full scale DQ, M ± SD 50.49 ± 18.04 109.91 ± 12.90 53.42 ± 16.32
Body mass index 16.68 ± 2.21 16.53 ± 1.42 16.52 ± 1.51
Number of samples, n (%)
 1 104 (100%) 54 (100%) 67 (100%)
 2 82 (78) 32 (59) 31 (46)
 3 37 (36) 25 (46) --
 4 11 (11) 6 (11) --
Parent reported immunologic historya, n (%)
 None 68 (65) 44 (81) 43 (64)
 Allergies (food, environmental, seasonal) 36 (35) 10 (19) 24 (36)
 Immunodeficiency or autoimmune disorder 0 0 0
Serum basic features, M ± SD
 WBC count 8.15 ± 2.31 7.16 ± 1.73 8.42 ± 2.37
 IgG, mg/dL 838.07 ± 251.71 760.94 ± 188.37 774.52 ± 252.22
 IgM, mg/dL 83.95 ± 35.52 84.89 ± 33.78 80.73 ± 37.48
 IgA, mg/dL 88.05 ± 51.82 86.81 ± 46.77 78.48 ± 46.26
CSF basic features, M ± SD
 WBC count 0.79 ± 1.03
 Albumin quotient 2.62 ± 1.60
  1. Data missing for two participants in each group.
  2. Note: Sample size differed slightly for basic laboratory features. Serum WBC count: AUT, n = 101; TYP, n = 52. Serum IgG/IgM/IgA: AUT, n = 95; TYP, n = 52. CSF WBC count, n = 63. CSF albumin quotient: n = 61. Body mass index sample size was AUT (serum), n = 85; TYP, n = 47; AUT (CSF), n = 64