. Author manuscript; available in PMC: 2013 Jun 30.

Published in final edited form as: J Med Genet. 2008 Jan 30;45(5):290–297. doi: 10.1136/jmg.2007.054676

Table 1.

Summary of normative data for CATSYS and grooved pegboard

	Variable tested (units)	Reference	Mean (SD) age (years)	n	Mean (SD) score
Ataxia (eyes open)	Sway velocity (mm/s)	Frumkin et al¹⁶	48.6 (12.3)	236	16.788 (3.673)
		Gerr et al¹⁷	44.5 (14.9)
Ataxia (eyes closed)	Sway velocity (mm/s)	Frumkin et al¹⁶	48.6 (12.3)	236	21.375 (6.837)
		Gerr et al¹⁷	44.5 (14.9)
Postural tremor I	Tremor intensity (m/s²)	Frumkin et al¹⁶	48.6 (12.3)	236	−1.02 (0.14)^* (LH)
		Gerr et al¹⁷	44.5 (14.9)		−1.02 (0.15)^* (RH)
Postural tremor II	Tremor intensity (m/s²)	Frumkin et al¹⁶	48.6 (12.3)	236	−0.52 (0.14)^* (LH)
		Gerr et al¹⁷	44.5 (14.9)		−0.52 (0.15)^* (RH)
Intention tremor	Tremor intensity (m/s²)	Current paper	62.1 ( 8.8)	43	−0.52 (0.23)^* (LH)
					−0.53 (0.27)^* (RH)
Pronation/ supination	Standard deviation	CATSYS manual¹⁸	43.7 ( 2.7)	30	0.04 (0.03) (LH)
					0.03 (0.02 ) (RH)
Grooved pegboard	Time (s)	Frumkin et al¹⁶	48.6 (12.3 )	96	77.6 (15.1) (LH)
					73.6 (14.5) (RH)

LH, left hand; RH, right hand.

Log-transformed value of tremor acceleration.