Table 2.

Effects of anxiety as assessed by SCL90 on psychomotor testing (symbol digit coding test (SDC)) and visual evoked potentials

Test	⩽Median	⩾Median	P value
SDC test (s)	2.56 (0.1)	2.88 (0.2)	0.25
Flash-pattern difference (ms)	27.6 (3.1)	30.7 (2.7)	0.44