Table 5

Summary of the clusters (eight-cluster model)

DescriptionCluster 1Cluster 2Cluster 3Cluster 4Cluster 5Cluster 6Cluster 7Cluster 8
No
symptoms
Infrequent
SoB
Occasional chest painOccasional
SoB
Occasional chest pain and SoBFrequent chest pain and SoBPersistent
SoB
Persistent chest pain and SoB
Number of patients in cluster (%)166 (25)93 (14)20 (3)83 (13)125 (19)75 (11)52 (8)47 (7)
Range of monthly probabilities of extent of chest pain/SoB
Chest pain
 None0.95–1.000.86–0.910.13–0.250.85–0.910.22–0.270.06–0.100.85–0.92<0.01
 Up to 3 weeks<0.01–0.050.09–0.140.66–0.680.09–0.150.64–0.670.57–0.660.08–0.150.04–0.10
 4 weeks<0.01<0.010.10–0.20<0.010.09–0.110.24–0.37<0.010.90–0.96
SoB
 None0.96–0.990.52–0.650.76–0.930.13–0.190.15–0.160.01–0.02<0.01<0.01
 Up to 3 weeks0.01–0.040.34–0.460.07–0.230.72–0.740.73–0.730.33–0.450.11–0.160.03–0.12
 4 weeks<0.010.01–0.02<0.010.09–0.130.11–0.120.53–0.660.84–0.880.87–0.97
Median (IQR) % of months with chest pain/SoB
Chest pain
 None100 (100,100)90 (80,100)21 (0,50)100 (80,100)20 (0,40)0 (0,14)100 (81,100)0 (0,0)
 Up to 3 weeks0 (0,0)10 (0,20)60 (40,79)0 (0,20)70 (56,89)57 (40,70)0 (0,13)0 (0,13)
 4 weeks0 (0,0)0 (0,0)0 (0,16)0 (0,0)0 (0,11)33 (17,50)0 (0,0)100 (83,100)
SoB
 None100 (100,100)63 (50,75)100 (79,100)11 (0,25)10 (0,20)0 (0,0)0 (0,0)0 (0,0)
 Up to 3 weeks0 (0,0)30 (20,44)0 (0,17)80 (70,90)80 (63,100)33 (20,50)0 (0,20)0 (0,13)
 4 weeks0 (0,0)0 (0,0)0 (0,0)0 (0,20)0 (0,11)60 (50,78)90 (79,100)100 (86,100)
  • SoB, shortness of breath.