Table II.

ANOVA analysis of Purkinje cell properties.

A, Vermis
Parameter	ET-a	ET-h	ET-plus	NC	F-value
Total dendritic length, µm	9,487.73±551.06	6,361.28±661.17a	9,388.75±486.88b	9,507±1053.13c	922.1
Number of terminals	273.84±14.36	199.86±27.04d	276.12±14.64c	288.94±16.66c,e,f	915.43
Branch length, µm	562.9±33.79	513.25±35.51	570.56±39.05a,c	587.35±37.68a,c	151.89
Branch order	26.38±1.19	20.24±2.48	26.61±1.37	27.04±0.88	816.06
Spines	9.73±0.67	7.87±0.71a	9.84±0.68g	9.37±0.93f,g	290.99
B, Hemispheres
Parameter	ET-a	ET-h	ET-plus	NC	F-value
Total dendritic length, µm	7,889.4±1,387.22g,h	7,794.89±1,017.91b,c	9,407.22±642.27a,b	10,757.3±1,666.24a,c,f	257.33
Number of terminals	202.72±23.98	219.01±17.73d	306.86±23.04d	325.69±14.39d,h	1,871.33
Branch length, µm	531.66±31.72	538.44±31.54a	594.69±36.65d,g	597.62±36.54d,g	214.29
Branch order	22.96±1.66	24.64±1.58d	28.41±1.75a,c	30.61±1.62a,c,e	890.35
Spines	7.75±0.67	7.4±0.49d	9.76±0.66a	9.98±0.68a	902.82

^aP<0.001 vs. ET-a;

^bP<0.01 vs. ET-h;

^cP<0.0001 vs. ET-h;

^dP<0.0001 vs. ET-a;

^eP<0.01 vs. ET-a;

^fP<0.001 vs. ET-plus;

^gP<0.001 vs. ET-h;

^hP<0.0001 vs. ET-plus. Data are presented as the mean ± SD. ET, essential tremor; ET-a, ET with arm tremor only; ET-h, ET with head and arm tremor; NC, normal control; vs., versus.