a trend toward significancep = 0.058
Residual volume showed a trend toward significance ( p = 0.058).
Residual volume showed a trend toward significance ( p = 0.058).
Nonetheless, the improvements in CAT scores were relatively small and did not reach statistical significance within or between groups, underscoring that changes in health status after BLVR are multifactorial and may be influenced by baseline disease severity, comorbidities and patient expectations.