2.3.2. Evaluation standard.
sore
The evaluation standards were as follows: Cure (local tissue repair, scab on the sore surface); Effective (the scope of the sore surface is reduced by more than 50%, some scabs, and no exudates and secretions); Ineffective (there are still exudates and secretions on the sore surface); Worsening (the area of the sore is enlarged). The total effective rate was calculated using the formula.