Table 2

Description of clinical judgement applied to subtests within the HIA1 off-field screen

Specific abnormal subtests, irrespective of other subtestsCasesClinical judgement applied (% of cases)Clinical judgement correct (% of clinical judgements)AccuracyRelative change
TheoreticalReal life
(A) Symptoms261136474.0%
(71.8%–76.2%)
74.9%
(72.7%–77.1%)
1.01
(0.93–1.10)
(B) Failed Maddocks56168962.1%
(59.7%–64.5%)
62.7%
(60.3%–65.1%)
1.01
(0.92–1.10)
(C) Failed Immediate memory146408659.1%
(56.6%–61.6%)
63.2%
(60.7%–65.6%)
1.07
(0.98–1.17)
(D) Failed digits backwards238348363.7%
(61.2%–66.1%)
68.7%
(66.3%–71.0%)
1.08
(0.99–1.18)
(E) Tandem Gait471578452.5%
(50.0%–55.1%)
69.8%
(67.5%–72.2%)
1.33
(1.21–1.46)
(F) Delayed recall273328362.8%
(60.3%–65.2%)
68.3%
(66.0%–70.7%)
1.09
(1.00–1.19)
(G) Clinical signs23275973.0%
(70.8%–75.2%)
73.3%
(71.1%–75.4%)
1.00
(0.91–1.11)