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Table 3 Cumulative incidence of SRE types according to window length

From: Measurement of skeletal related events in SEER-Medicare: a comparison of claims-based methods

  Maximum SRE Episode Length
  14 days 21 days 28 days
Any Skeletal Related Event
ᅟCumulative incidence (SRE/patient) 14,869 (3.6) 12,930 (3.1) 11,889 (2.8)
ᅟPatients with # SRE episodes    
ᅟ1 1320 (32) 1557 (37) 1705 (41)
ᅟ2 955 (23) 967 (23) 969 (23)
ᅟ3+ 1903 (46) 1652 (40) 1501 (36)
Pathologic Fracture
ᅟCumulative incidence (PF/patient) 7342 (3.3) 6505 (2.9) 5990 (2.7)
ᅟPatients with # PF episodes (% of SRE Sample)    
ᅟ1 989 (45) 1046 (48) 1097 (50)
ᅟ2 425 (19) 432 (20) 441 (20)
ᅟ3+ 794 (36) 724 (33) 662 (30)
Spinal Cord Compression    
ᅟCumulative incidence (SCC/patient) 974 (1.8) 880 (1.6) 823 (1.5)
ᅟPatients with # SCC episodes (% of SRE Sample)    
ᅟ1 377 (70) 401 (74) 423 (78)
ᅟ2 84 (15) 79 (15) 69 (12)
ᅟ3+ 82 (15) 63 (11) 51 (10)
Bone Palliative Radiation    
ᅟCumulative incidence (RAD/patient) 5910 (2.2) 4907 (1.8) 4439 (1.6)
ᅟPatients with # RAD episodes (% of SRE Sample)    
ᅟ1 1143 (42) 1470 (54) 1662 (61)
ᅟ2 822 (30) 741 (27) 686 (25)
ᅟ3+ 771 (28) 525 (19) 388 (14)
Surgery to Bone    
ᅟCumulative incidence (BS/patient) 643 (1.1) 638 (1.1) 637 (1.1)
ᅟPatients with # BS episodes (% of SRE Sample)    
ᅟ1 510 (89) 514 (90) 515 (90)
ᅟ2+ 61 (11) 57 (10) 56 (10)
  1. SRE Skeletal related event, PF Pathological fracture, SCC Spinal cord compression, RAD Bone palliative radiotherapy; BS Bone surgery