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Table 4 ASD screening performance comparisons

From: Autism screening at 18 months of age: a comparison of the Q-CHAT-10 and M-CHAT screeners

Row Screen Sensitivity Specificity PPV NPV
1 M-CHAT-R
n = 408
0.73 [0.61, 0.82]
2D | 3D | 4D
0.66 [0.61, 0.71]
2D | 3D | 4D
0.28 [0.22, 0.35]
2D | 3D | 4D
0.93 [0.89, 0.96]
2I | 3D | 4E
2 M-CHAT-R/F
n = 368
0.36 [0.24, 0.49]
1D | 3I | 4D
0.89 [0.85, 0.92]
1D | 3D | 4D
0.36 [0.24, 0.49]
1D | 3D | 4I
0.89 [0.85, 0.92]
1I | 3E | 4I
3 Q-CHAT-10
n = 406
0.34 [0.23, 0.46]
1D | 2I | 4D
0.95 [0.92, 0.97]
1D | 2D | 4D
0.54 [0.39, 0.68]
1D | 2D | 4D
0.89 [0.85, 0.92]
1D | 2E | 4I
4 Q-CHAT-10-O
n = 406
0.63 [0.50, 0.74]
1D | 2D | 3D
0.79 [0.74, 0.83]
1D | 2D | 3D
0.35 [0.27, 0.44]
1D | 2I | 3D
0.92 [0.89, 0.95]
1E | 2I | 3I