Table 6 Details the results referring to the 4.3% of cases that suggested kinship from first to fourth grade.

From: A cohort study of neurodevelopmental disorders and/or congenital anomalies using high resolution chromosomal microarrays in southern Brazil highlighting the significance of ASD

Cases

∑ of LCSH (Mbp)

Possible parental relationship

Degree of kinship

Coefficient of inbreeding (F)

LCSH (IBD) expected not tested (%)

#194

760

Father (mother)/daughter (son); complete siblings

First

0.264

25

#834

1.053

0.37

25

#271

334

Half-brothers; uncle (aunt)/niece (nephew); double first cousins; grandfather/granddaughter

Second

0.116

12.5

#1068

403

0.14

12.5

#918

285

0.10

12.5

#297

314

0.109

12.5

#380

346

0.121

12.5

#220

402

0.139

12.5

#187

196

First cousins

Third

0.068

6

#275

225

0.078

6

#395

136

0.047

6

#412

123

0.043

6

#413

162

0.056

6

#419

181

0.063

6

#354

193

0.067

6

#364

165

0.057

6

#540

196

0.068

6

#645

238

0.082

6

#730

137

0.047

6

#754

204

0.070

6

#766

136

0.04

6

#823

183

0.063

6

#910

248

0.086

6

#1088

227

0.079

6

#1103

239

0.082

6

#157

62

First cousins once removed

Fourth

0.022

3

#273

110

0.038

3

#287

96

0.033

3

#311

82

0.028

3

#378

93

0.032

3

#412

123

0.042

3

#506

68

0.023

3

#546

73

0.025

3

#612

88

0.030

3

#614

81

0.028

3

#663

90

0.031

3

#676

106

0.036

3

#770

75

0.026

3

#789

123

0.042

3

#806

74

0.025

3

#905

66

0.023

3

#1011

79

0.027

3

  1. LCSH with frequency ≥  5%.