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. 2016 Feb 22;32:871–883. doi: 10.1007/s10554-016-0856-6

Table 1.

Inter- and intra-observer reproducibility of quantitative measures

No. of matched struts Inter-observer variability Observer A versus observer B (1st) ICCc ICCa
Analyzable matched struts Absolute difference [95 % CI]
Embedment ratio (%)
Absorb BVS 1481 1481 −0.08 [−0.51–0.36]
 Single measures 0.919 [0.911–0.927] 0.919 [0.911–0.927]
 Average measures 0.958 [0.954–0.962] 0.958 [0.954–0.962]
XIENCE 1415 1415 0.14 [−0.02–0.30]
Single measures 0.998 [0.998–0.999] 0.998 [0.998–0.999]
Average measures 0.999 [0.999–0.999] 0.999 [0.999–0.999]
Strut embedment width (mm)
Absorb BVS 1481 1112 −0.000 [−0.002–0.002]
 Single measures 0.95 [0.943–0.955] 0.95 [0.943–0.955]
 Average measures 0.974 [0.971–0.977] 0.974 [0.971–0.977]
XIENCE 1426 703 0.001 [0.000–0.002]
 Single measures 0.984 [0.981–0.986] 0.984 [0.981–0.986]
 Average measures 0.992 [0.991–0.993] 0.992 [0.990–0.993]
No. of matched struts Intra-observer variability Observer B (1st) versus observer B (2nd) ICCc ICCa
Analyzable matched struts Absolute difference [95 % CI]
Embedment ratio (%)
Absorb BVS 1481 1481 −0.33 [−0.80–0.15]
 Single measures 0.933 [0.926–0.939] 0.933 [0.926–0.939]
 Average measures 0.965 [0.962–0.969] 0.965 [0.962–0.969]
XIENCE 1415 1415 0.08 [−1.09–0.27] 0.998 [0.998–0.999] 0.998 [0.998–0.998]
 Single measures 0.999 [0.999–0.999] 0.999 [0.999–0.999]
 Average measures
Strut embedment width (mm)
Absorb BVS 1481 1119 0.001 [−0.001–0.002]
 Single measures 0.944 [0.937–0.95] 0.944 [0.937–0.95]
 Average Measures 0.971 [0.968–0.974] 0.971 [0.968–0.974]
XIENCE 1426 705 0.001 [−0.000–0.001]
 Single measures 0.982 [0.979–0.984] 0.982 [0.979–0.984]
 Average measures 0.991 [0.989–0.992] 0.991 [0.989–0.992]