Table 4

Frequency of replacing nebuliser parts and servicing the compressor

Patients (N)*
FrequencyFacemask/mouthpieceChambersTubingFilterCompressor
Weekly
Monthly2222
3 monthly6543
6 monthly4431
Annually3339
Discoloured/damaged10913112
Never2426213139
  • *One patient replaced all the parts after two or three uses, and one patient was using the nebuliser system without the outlet/inlet filter.