. 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 1.

Composition of the standard set of photographs (N=50) by clinical signs and algorithms

Number	Sign/Algorithm	Total Positive Photos (%)
01	Pus	22 (44)
02	Redness:
	- Exact (none, mild, moderate, severe)	^†
	- Binary (moderate or severe vs. none or mild)^*	19 (38)
03	Swelling:
	- Exact (none, mild, moderate, severe)	^‡
	- Binary (moderate or severe vs. none or mild)^*	23 (46)
04	Redness OR Swelling (moderate or severe)	25 (50)
05	Redness AND Swelling (moderate or severe)	17 (34)
06	Pus AND (Redness or Swelling (moderate or severe))	13 (26)
07	Pus AND Redness (moderate or severe)	7 (14)
08	Pus AND (Redness AND Swelling (Any degree))	21 (22)
09	Pus AND (Redness AND Swelling (moderate or severe))	7 (14)
10	(Pus and moderate Redness) OR (severe Redness)	9 (18)
	Negative: no pus, no moderate/severe redness/swelling	16 (32)

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

^†

Number of photos by category of redness: none:14; mild:17; moderate:15; severe:4

^‡

Number of photos by category of swelling: none:6; mild:21; moderate:22; severe:1