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. 2022 Jan 17;22:41. doi: 10.1186/s12909-022-03115-1

Table 1.

Correlations between score adjustments derived from all linking videos (ABCD) and score adjustments derived from different permutations of fewer linking videos

Correlation Coefficient (rho) p
ABCD 1 -
3 linking videos per participating examiner
 ABC 0.91 0.000
 ABD 0.97 0.000
 ACD 0.87 0.000
 BCD 0.95 0.000
 Median 0.93 IQRs (0.90–0.95)
2 linking videos per participating examiner
 AB 0.94 0.000
 AC 0.80 0.000
 AD 0.88 0.000
 BC 0.86 0.000
 BD 0.84 0.000
 CD 0.65 0.000
 Median 0.85 IQRs (0.81–0.87)
1 linking video per participating examiner
 A 0.91 0.000
 B 0.49 0.000
 C 0.36 0.000
 D 0.55 0.000
 Median 0.52 IQRs (0.46–64)