Table 1:

Inter- and intraobserver κ agreement for follow-up DSA readings

R1R2R3R4
R10.748 (0.599–0.897)a0.755 (0.690–0.819)0.723 (0.656–0.790)0.658 (0.587–0.730)
R20.847 (0.772–0.923)a0.745 (0.680–0.811)0.700 (0.632–0.767)
R30.823 (0.744–0.903)a0.711 (0.644–0.778)
R40.582 (0.474–0.691)a
  • Note:—R indicates reader.

  • a Intraobserver κ results.