Table 1.

Tools Used and Related Data Collected by Participants at Home During Each Examination

ToolData
Electronic stethoscope (StethoMe)Auscultation audio recordings from a set of 6-8 chest points (examination) (Figure 1)
AI-based algorithm (StethoMe AI) automatic analysis of recorded soundsWheezes intensity
Rhonchi intensity
Coarse crackles intensity
Fine crackles intensity
RR
HR
I/E
Pulse oximeter (Accurate FS20P, Accurate FS20C)Peripheral capillary oxygen saturation (SpO2)
Peak flow meter (Mini Wright Peak Flow and Low Range)Peak expiratory flow
Survey (Figure 2)Breathing quality expressed on a 5-point scale Symptoms
  • AI = artificial intelligence; HR = heart rate; I/E = inspiration-to-expiration duration ratio; RR = respiratory rate.

  • Note: These data were used as input features for the development of autonomous detection of asthma exacerbation (decision support classifiers).