Table 2: Detailed differences in falling status at 1-time fallers, frequent fallers and non-fallers patients (1 year postoperatively vs. preoperatively).

		Falling Status 1 year postoperatively
			No faller	1- time faller	Frequent faller	Total
Falling Status preoperatively	No faller	Count	23	1	1	25
		% of Total	33.8%	1.5%	1.5%	36.8%
	1- time faller	Count	16	2	2	20
		% of Total	23.5%	2.9%	2.9	29.4%
	Frequent faller	Count	14	7	2	23
		% of Total	20.6%	10.3%	2.9%	33.8%
Total		Count	53	10	5	68
		% of Total	77.9%	14.7%	7.4%	100.0%