Table 3 Within-subject comparison with paired t test in off and on medication state (n = 40)

From: Vertical saccades and antisaccades: complementary markers for motor and cognitive impairment in Parkinson’s disease

 

PD OFF mean (SD)

PD ON mean (SD)

p (paired t test)

Step horizontal

Latency (ms)

282.2 (48.6)

291.9 (54.7)

0.03*

Gain

0.89 (0.06)

0.88 (0.08)

0.6

Step vertical

Latency (ms)

303.7 (57.2)

310.6 (60.3)

0.2

Downwards gain

0.87 (0.10)

0.72 (0.13)

0.4

Upwards gain

0.70 (0.12)

0.69 (0.13)

0.8

Antisaccades

Latency (ms)

372.0 (83.6)

352.8 (86.6)

0.04*

Express saccade rate

0.07 (0.11)

0.08 (0.15)

0.4

AS error rate

0.35 (0.27)

0.32 (0.23)

0.5

  1. *p < 0.05