Skip to main content

Table 9 The thresholds corresponding to the first four Principal Components

From: Data mining of audiology patient records: factors influencing the choice of hearing aid type

Principal Component (PC) Frequency (in Hz)
  250 500 1000 2000 4000 8000
PC1: Flat hearing loss 42 41 40 39 42 44
  45 45 42 42 45  
PC2: High tone sensorineural loss 37 38 48 69 82 79
  46 46 55 76 89  
PC3: Air-bone gap (flat) 78 77 75 71 75 76
  31 35 42 45 47  
PC4: Air-bone gap (predominant at low tone) 50 59 76 76 50 32
  29 55 82 85 52