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Table 1 PTCHD3 deletions frequencies in Autism and control populations

From: Human PTCHD3 nulls: rare copy number and sequence variants suggest a non-essential gene

Population

Origin

Method

Total Number

unrelated

PTCHD3 del count

Frequency (%)

Reference

Autism

Canada

500 K array

427

6

1.40

Marshall [16]

 

Canada

qPCR

177

2

1.13

unpublished

Total

604

8

1.32

 

Control

Canada

500 K array

1,152

8

0.69

Zogopolous [17]

 

Other

qPCR

1,043

7

0.67

HGDP

 

N.America

qPCR

186

3

1.61

Coriell, USA

 

Germany

Affy6.0

1,123

4

0.36

Krawczak [18]

 

Canada

Affy6.0

1,234

12

0.97

Stewart [19]

Total

4,552

31

0.68

 
  1. p-value for cases versus controls is not significant (Fisher's extact two tail; P = 0.13). 8/604 and 31/3695 + 648 = 4343 excluding the African, East Asian, and Oceania populations from the HDGP samples.