Stress levels (by sAA)	Number/ percentage	Stress levels (WPS)			Total
Stress levels (by sAA)	Number/ percentage	Low-stress (>111)	Normal (112 - 140)	High-stress (141 - 167<)	Total
Low-stress 0 - 30 (KU/L)	Number	33	99	238	370
Low-stress 0 - 30 (KU/L)	%	8.9%	26.8%	64.3%	100.0%
Normal stress 31 - 45 (KU/L)	Number	3	18	32	53
Normal stress 31 - 45 (KU/L)	%	5.7%	34.0%	60.4%	100.0%
High stress 46 - 60 (KU/L)	Number	0	6	23	29
High stress 46 - 60 (KU/L)	%	0.0%	20.7%	79.3%	100.0%
Very high stress <61 (KU/L)	Number	0	5	16	21
Very high stress <61 (KU/L)	%	0.0%	23.8%	76.2%	100.0%
Total	Number	36	128	309	473
Total	%	7.6%	27.1%	65.3%	100.0%