Skip to main content

Table 3 Differences in diagnostic power of the cues in the 19 minor cases based on the clinical context

From: Evaluating the scripts and thresholds of general practitioners for diagnosing heart failure in elderly people

  Total group Trainee Trainer
Lung auscultation    
 Normala P < 0.001 P = 0.003 P = 0.007
 Basal cracklesb P < 0.001 P < 0.001 P = 0.001
 Wheezingb P < 0.001 P < 0.001 P = 0.074
Dyspnoea    
 Absentb P = 0.059 P = 0.51 P = 0.020
 Presentb P = 0.58 P = 0.78 P = 0.56
NT-proBNP    
 Normala P = 0.002 P = 0.098 P = 0.007
 Increaseda P = 0.054 P = 0.056 P = 0.17
Heart murmur    
 Absentb P = 0.51 P = 0.70 P = 0.13
 Presentb P = 0.25 P = 0.40 P = 0.41
Orthopnoea    
 Absenta P = 0.035 P = 0.14 P = 0.16
 Presenta P < 0.001 P < 0.001 P = 0.25
Jugular venous pressure    
 Normala P = 0.68 P = 0.43 P = 0.15
 Increaseda P < 0.001 P < 0.001 P < 0.001
Nocturnal paroxysmal dyspnoea    
 Absentb P = 0.62 P = 0.79 P = 0.23
 Presentb P = 0.43 P = 0.96 P = 0.17
Apex beat    
 Normalb P = 0.80 P = 0.85 P = 0.65
 Displacedb P = 0.038 P = 0.041 P = 0.41
Oedema    
 Absenta P = 0.20 P = 0.27 P = 0.32
 Presenta P < 0.001 P < 0.001 P = 0.054
History myocardial infarct    
 Absentb P = 0.69 P = 0.70 P = 0.90
 Presentb P = 0.32 P = 0.58 P = 0.35
Electrocardiography    
 Normalb P = 0.024 P = 0.063 P = 0.20
 Abnormalb P < 0.001 P < 0.001 P = 0.69
Chest X-ray (cardiothoracic index)    
 Normalb P = 0.048 P = 0.070 P = 0.41
 Abnormalb P < 0.001 P < 0.001 P < 0.001
Pulse rate    
 Regularb P < 0.001 P < 0.001 P = 0.007
 Irregularb P = 0.17 P = 0.68 P = 0.002
Appetite    
 Normalb P = 0.58 P = 0.23 P = 0.32
 Decreasedb P < 0.001 P < 0.001 P = 0.43
  1. aDifference in distribution of the given power between the cases (>2) with Friedman’s test
  2. bDifference in distribution of the given power between the cases (≤2) with Wilcoxon’s matched-pair signed-rank test