Table 4.

Improvements in neurocognitive test scores after 24 weeks of treatment with paliperidone (raw scores)

Subtests	Baseline		Endpoint		Z/t	P-value	Cohen’s d
	x ± SD	95% CI	x ± SD	95% CI
Trail making test: part A	48.11±23.48	42.5–53.63	40.24±17.67	36.08–44.39	−640.00	<0.0001	0.38
Brief assessment of cognition in schizophrenia: symbol coding	44.88±10.82	42.33–47.42	46.58±11.37	43.91–49.26	225.00	0.1610	0.15
Hopkins verbal learning test-revised	22.32±6.36	20.82–23.81	24.69±5.52	23.40–25.99	4.69	<0.0001	0.40
Wechsler memory scale-third edition: spatial span	14.79±3.30	14.02–15.57	15.88±3.56	15.04–16.71	445.00	0.0006	0.32
Neuropsychological assessment battery: mazes	13.08±6.51	11.55–14.61	14.89±6.31	13.41–16.37	2.81	0.0063	0.28
Brief visuospatial memory test-revised	22.47±7.76	20.65–24.30	25.63±7.31	23.91–27.34	4.55	,0.0001	0.42
Category fluency test: animal naming (fluency)	17.13±5.67	15.79–18.46	17.64±5.32	16.39–18.89	1.05	0.2972	0.09
Mayer–Salovey–Car emotional intelligence test: managing emotions	78.09±8.06	76.20–79.99	78.19±9.18	75.98–80.39	0.21	0.8366	0.01
Continuous performance test-identical pairs	2.07±0.78	1.88–2.25	2.20±0.70	2.04–2.37	2.19	0.0316	0.18

Abbreviations: CI, confidence interval; SD, standard deviation.