Table 1.
Study and subject information of the studies included in the current meta-analysis.
| Study | ASD | TD | ↓↑ | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| n | F | age (y) | IQ | n | F | age (y) | IQ | |||
| 1 | Bakhtiari 2012a | 16 | 1 | 15.5 | 108.1 | 18 | 1 | 15.5 | 111.8 | ↑ |
| 2 | Bamea-Goraly 2004 | 7 | 0 | 14.6 | 101 | 9 | 0 | 13.4 | 107 | ↑ |
| 3 | Bloemen 2010 | 13 | 0 | 39 | 110 | 13 | 0 | 37 | 115 | ↑ |
| 4 | Cheng 2010 | 25 | 0 | 13.71 | 101.6 | 25 | 0 | 13.51 | 109.04 | ↓↑ |
| 5 | Cheung 2009 | 13 | 1 | 9.3 | 99.5 | 14 | 1 | 9.9 | 111.9 | ↓↑ |
| 6 | Fitzgerald 2016 | 45 | 0 | 15.91 | 109.5 | 45 | 0 | 16.55 | 115 | ↑ |
| 7 | Itahashi 2015 | 46 | 0 | 30.21 | 106 | 46 | 0 | 30.54 | 109.22 | ↑ |
| 8 | Ke 2009 | 12 | 0 | 8.75 | 100.6 | 10 | 0 | 9.4 | 99.83 | ↓↑ |
| 9 | Keller 2007 | 34 | 0 | 18.9 | 102 | 31 | 0 | 18.9 | 109.5 | ↑ |
| 10 | Kleinhans 2013 | 25 | 9 | 21.29 | 109.88 | 28 | 6 | 21.31 | 113.25 | ↑ |
| 11 | Mueller 2013 | 12 | 3 | 35.5 | 111.3 | 12 | 4 | 33.3 | 110.8 | ↑ |
| 12 | Nickel 2017 | 30 | 11 | 35.4 | 124.5 | 30 | 11 | 35.53 | 123.63 | ↑ |
| 13 | Noriuchi 2010 | 7 | 1 | 13.96 | 92.71 | 7 | 1 | 13.36 | 116.43 | ↑ |
| 14 | Thakkar 2008 | 12 | 2 | 30 | 116 | 14 | 6 | 27 | 114 | ↓↑ |
↓ and ↑ indicate a study reported clusters with increased or increased FA in ASD compared with TD, respectively.
a
Bakhtiariet al. (2012) recruited two age groups, but only adolescent group showed statistically significant results. Therefore, only adolescent groups of patients and controls were included in the current analysis.