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. Author manuscript; available in PMC: 2006 Dec 1.
Published in final edited form as: Arch Dis Child Fetal Neonatal Ed. 2005 Oct 13;91(2):F99–104. doi: 10.1136/adc.2005.080093

Table 6.

Percent agreement and kappa statistics for expert rankings by sign or algorithm

Sign/Algorithm Percent Agreement Kappa
01-Pus 87.8 0.75
02-Redness
 Exact 68.0 0.55
 Binary* 85.7 0.70
03-Swelling
 Exact 28.0 0.09
 Binary* 69.4 0.25
Alg-04 83.7 0.67
Alg-05 71.4 0.20
Alg-06 91.8 0.75
Alg-07 91.8 0.70
Alg-08 85.7 0.68
Alg-09 83.7 0.27
Alg-10 85.7 0.61
*

Ratings of none or mild, and moderate or severe were combined into single values (0 and 1 respectively).

Alg 04: Redness or swelling (moderate or severe)

Alg 05: Redness and swelling (moderate or severe)

Alg 06: Pus and (redness or swelling (moderate or severe))

Alg 07: Pus and redness (moderate or severe)

Alg 08: Pus and (redness and swelling (any degree))

Alg 09: Pus and (redness and swelling (moderate or severe))

Alg 10: (Pus and moderate redness) or (severe redness)