TABLE 3

Description of Participants

Study
Al-Ayadhi 52Black et al33Gondalia et al43Horvath & Perman40Ibrahim et al37Kazek et al51Mouridsen et al38Niehus & Lord39Parracho et al23Sandhu et al34Schieve et al35Smith et al42Valicenti-McDermott et al41Wang et al36Wang et al24Total Sample N% of Total Studies (15 Total)
ASD group
 Sample size339651412121511187558783755150589572215
 Age (mo)XXXXXaXXaXXXaXXXXX15100
  Mean88.850.87897140.584116.491.299.682.71067
  SD643.24544.443.247.7640
  Range24–14436–15636–19236–20412–216533
 GenderXXXXXXXXXXXX1280
  Male (%)30 (91%)84 (88%)42 (82%)92 (76%)39 (76%)85 (72%)61 (81%)48 (83%)292 (77.9)37 (74)459 (78)48 (84)1280
  Female (%)3 (9%)12 (13%)9 (18%)29 (24%)12 (24%)33 (28%)14 (29%)10 (17%)83 (22.1)13 (26)130 (22)9 (16)
Comparison group
 Sample size33b,c4495343b242b,c28336b,c24b22 (TD: 10; SB: 12)12 90536 013 (TD: 35 775; DD: 238)147b,c (TD: 112; DD: 35)100b,c (TD: 50; DD: 50)163106 (TD: 56b; SB: 50)50 664
 Subtype
  TDXXXXXXXXXXXX1280
  DDXXX320
  SBXXXXX533
 Age (mo)XXXaXXXXaXXXXX1280
  Mean49.893113TD: 72; SB: 72TD: 120; DD: 151TD: 90; DD: 94.8106.8TD: 102; SB: 104853
  SDTD: 35; SB: 26TD: 38.4; DD: 42TD: 43.2; DD: 48TD: 47.6; SB: 63.9427
  Range24–14436–144TD: 36–144; SB: 24–11236–20412–216533
 GenderXXXXXXXXXX1067
  Male (%)394 (88%)19 (36%)184 (76%)20 (71%)12 (50%)TD: 6 (60%); SB: 7 (58.3%)TD: 17.458 (48.8); DD: 138 (58.1)TD: 37 (74);DD: 37 (74)75 (46)TD: 28 (50); SB: 28 (56)
  Female (%)55 (12%)34 (64%)58 (24%)8 (29%)12 (50%)TD: 4 (40%); SB: 5 (41.7%)TD: 18 317 (51.2); DD: 100 (41.9)TD: 13 (26); DD: 13 (26)88 (54)TD: 28 (50); SB: 22 (44)
  • a Longitudinal study.

  • b Reported matched for age.

  • c Reported matched for gender.