The net costs were estimated according to the cost of implementing the intervention activity minus the cost being avoided owing to decreasing of stroke incidence.
按照项目所需的实际投入和减少脑卒中发病所需的医疗费用计算净成本，根据净成本和干预效果计算效果和效益指标。
The net costs were estimated according to the cost of implementing the intervention activity minus the cost being avoided owing to decreasing of stroke incidence.
按照项目所需的实际投入和减少脑卒中发病所需的医疗费用计算净成本，根据净成本和干预效果计算效果和效益指标。
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