Table 2

Differences between healthy controls and adults with ADHD on No4's attention test
Measures Controls mean ADHD mean ANCOVA* Group F Effect Size Cohens d' ROC Area
[95% CI] [95% CI] †q value [95% CI] [95% CI]
Accuracy (%) 97.46 95.76 16.83 0.76 0.71
[97.00–97.93] [94.87–96.65] p<0.0006 [0.38–1.13] [0.62–0.79]
Errors of Omission 0.54 1.5 9.22 0.67 0.71
[0.33–0.76] [0.86–2.13] p<0.008 [0.32–0.94] [0.65–0.77]
Errors of Comission 20.48 30.71 11.23 0.64 0.67
[16.87–24.09] [24.84–36.58] p<0.004 [0.24–1.08] [0.56–0.78]
Latency (msec) 482.9 481.6 0.11 0.02 0.52
[467.1–498.7] [459.5–503.7] p>0.7 [−0.38–0.45] [0.40–0.64]
Latency SD 97.93 119.4 8.75 0.69 0.70
[90.38–105.5] [108.6–130.1] p<0.008 [0.28–1.12] [0.60–0.80]
Latency COV 20.37 24.32 13.43 0.76 0.73
[19.06–21.67] [22.58–26.07] p<0.002 [0.38–1.16] [0.66–0.80]
Attention Shift 13.95 15.22 2.27 0.27 0.58
[12.62–15.28] [13.93–16.52] p>0.1 [−0.15–0.67] [0.50–0.66]
Attentive (% time) 60% 42% 19.28 0.87 0.73
[55–65%] [35–49%] p<0.0004 [0.49–1.33] [0.62–0.83]
Distracted (% time) 16% 25% 4.78 0.54 0.65
[13–20%] [19–31%] p<0.05 [0.10–0.94] [0.55–0.75]
Impulsive (% time) 23% 32% 7.41 0.51 0.62
[19–27%] [26–39%] p<0.02 [0.10–0.93] [0.51–0.74]
Random (% time) 0.22% 0.76% 1.92 0.36 0.54
[0.0–0.4%] [0.1–1.4%] p>0.1 [−0.08–0.63] [0.48–0.60]
Minimal (% time) 0.19% 0.99% 4.09 0.44 0.56
[0.0–0.5%] [0.2–1.8%] p<0.07 [−0.02–0.70] [0.50–0.62]

*Main effect of group. Effects of Age and Gender were not significant for any measure after correction for multiple comparisons.

†q value = p value adjusted for multiple comparisons using the False Discovery Rate method of Benjamini and Hochberg.

Teicher et al.

Teicher et al. BMC Psychiatry 2012 12:190   doi:10.1186/1471-244X-12-190

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