Research Article

Application of Wireless Dynamic Sleep Monitor in Acupuncture Treatment of Insomnia after Ischemic Stroke: A Retrospective Study

Table 2

Numerical Rating Scale (NRS).


Level 0: the above NRS score is 0. Level 1: the above NRS score is 1-2. Level 2: the above NRS score is 3–5. Level 3: the above NRS score is 6–9. Level 4: the above NRS score is 10. Level 8: unspecified. Level 9: not applicable.