Table 1 Demographic characteristics for SEED samples
From: Case-control meta-analysis of blood DNA methylation and autism spectrum disorder
|  | ASD (N = 453) | Control (N = 515) | p value |
|---|---|---|---|
Sex | N (%) | N (%) | < 2.2E−16 |
 M | 368 (0.81) | 273 (0.53) |  |
 F | 85 (0.19) | 242 (0.47) |  |
Processing batch | N (%) | N (%) | 0.5136 |
 1 | 289 (0.64) | 317 (0.62) |  |
 2 | 164 (0.36) | 198 (0.28) |  |
Cell composition | Mean (IQR) | Mean (IQR) | Â |
 Granulocytes | 0.46 [0.38–0.52] | 0.47 [0.40–0.54] | 0.02 |
 CD4T | 0.21 [0.16–0.26] | 0.20 [0.16–0.24] | 0.09 |
 B cell | 0.12 [0.08–0.15] | 0.11 [0.08–0.13] | 0.01 |
 CD8T | 0.11 [0.08–0.15] | 0.11 [0.08–0.13] | 0.58 |
 Monocytes | 0.07 [0.05–0.09] | 0.07 [0.06–0.09] | 0.63 |
 NK | 0.02 [0.00–0.03] | 0.02 [0.00–0.03] | 0.83 |
Genetic ancestry | N (%) | N (%) | 1.02E−06 |
 European | 214 (0.47) | 324 (0.63) |  |
 African | 71 (0.16) | 39 (0.08) |  |
 Admixed or Asian | 153 (0.34) | 142 (0.28) |  |
 Missing | 15 (0.03) | 10 (0.02) |  |