1. Introduction

2. Data and Method  
2.1. SEDIGISM molecular clouds  
2.2. MST Filament Identification  
2.3. Large-scale filaments in the SEDIGISM cloud catalog  

3. Results  
3.1. Galactic location and physical properties  
3.2. Distribution of Galactic location and physical properties  

4. Discussion  
4.2. Dense Gas Mass Fraction  

5. Summary