Cleveland Family Study

/datasets/cfs/variables/prtaxes3 /datasets/cfs/variables/qrsduran

QRS Conduction Block

Domain
qrsblock
  • 0: None
  • 1: Right Bundle Branch Block
  • 2: Left Bundle Branch Block
  • 3: Right & Left Bundle Branch Block
  • 4: Intravenient Conduction Delay
  • 5: Other
  • 6: Right Bundle Branch Block & Intravenient Conduction Delay
Type choices

QRS Conduction Block vs Visit

Visit 5
Total 735
None 668
Right Bundle Branch Block 26
Left Bundle Branch Block 5
Right & Left Bundle Branch Block -
Intravenient Conduction Delay 25
Other 7
Right Bundle Branch Block & Intravenient Conduction Delay 2
Unknown 2

QRS Conduction Block vs Age at time of visit

Visit 5
5-14 yrs old 15-24 yrs old 25-34 yrs old 35-44 years 45-54 years 55-64 years 65-74 years 75-84 years 85 years or older Total
Total 64 112 62 98 148 84 57 31 2 658
None 61 107 57 93 136 73 45 20 2 594
Right Bundle Branch Block 1 2 4 1 5 5 3 4 - 25
Left Bundle Branch Block - - - - - 1 2 2 - 5
Right & Left Bundle Branch Block - - - - - - - - - -
Intravenient Conduction Delay 1 2 1 3 4 4 4 4 - 23
Other - 1 - 1 2 1 2 - - 7
Right Bundle Branch Block & Intravenient Conduction Delay - - - - - - 1 1 - 2
Unknown 1 - - - 1 - - - - 2

QRS Conduction Block vs Sex

Visit 5
Female Male Total
Total 406 329 735
None 380 288 668
Right Bundle Branch Block 7 19 26
Left Bundle Branch Block 3 2 5
Right & Left Bundle Branch Block - - -
Intravenient Conduction Delay 10 15 25
Other 4 3 7
Right Bundle Branch Block & Intravenient Conduction Delay - 2 2
Unknown 2 - 2

QRS Conduction Block vs Race

Visit 5
White Black Other Total
Total 304 409 22 735
None 267 380 21 668
Right Bundle Branch Block 16 10 - 26
Left Bundle Branch Block 3 2 - 5
Right & Left Bundle Branch Block - - - -
Intravenient Conduction Delay 14 10 1 25
Other 4 3 - 7
Right Bundle Branch Block & Intravenient Conduction Delay - 2 - 2
Unknown - 2 - 2