表 3. The prediction error of SBP/DBP when selecting different number of features.

选择不同特征数目时SBP/DBP的预测误差

指标	特征数	累积误差百分比
		≤5 mm Hg	≤10 mm Hg	≤15 mm Hg
SBP	4	90.681%	99.533%	99.982%
	6	90.982%	99.585%	99.987%
	15	90.897%	99.569%	99.986%
DBP	4	98.050%	99.932%	99.998%
	7	98.406%	99.955%	100%
	15	98.112%	99.943%	100%