Overall incidence of spasm.

Table 1: Overall incidence of spasm.

			Incidence of Spasm		Total
			No	Yes	Total
Treatment	No	Count	179	21	200
	No	% Percentage	89.5%	10.5%	100.0%
	Yes	Count	192	8^*	200
	Yes	% Percentage	96.0%	4.0%^*	100.0%
Total		Count	371	29	400
Total		% Percentage	92.8%	7.2%	100.0%

*p = 0.021(statistically significant)