Correlation between Peak Expiratory Flow Rate and Single Breath Count in Patients with Post-COVID Sequelae: An Observational Study
D. Sarmila, N. Rama Tulasi, K. Sai Deekshita & M. Rajani Cartor · Journal of Pharmaceutical Research International · 2026
Background: COVID-19 frequently impairs pulmonary function during the post-recovery phase. Assessing respiratory status using accessible, equipment-free methods such as Single Breath Count (SBC) and Peak Expiratory Flow Rate (PEFR) is valuable for monitoring long-term functional...
Open access
Research Article
10.9734/jpri/2026/v38i97871