TABLE 2.

Factor analysis results

	NPS‐AT/WM	NPS‐VM	NPS‐VS	NPS‐EX	NPS‐EX2
TMT‐A	−0.76
TMT‐B	−0.95
Symbol digit	0.58
Corsi span	0.57
Semantic verbal fluency	0.54
RAVLT, immediate recall		0.82
RAVLT, delayed recall		0.77
Babcock story		0.60
Clock completion test			0.47
CA simple copy			0.66
CA guiding landmarks			0.66
Stroop color				0.70
Stroop color word				0.73
Phonemic verbal fluency					0.57
Digit span					0.66
Variance explained (%)	36.8	21.5	15.9	14.3	9.7

Factors and corresponding neuropsychological tests with their respective factor loading are shown. A conventional factor loading threshold of 0.4 was used.

Abbreviations: CA, constructional apraxia; RAVLT, Rey auditory verbal memory test; TMT, trail making test.