TABLE 5.

Comparison of the simple grading of trachoma with the grading used in a more detailed system^a

Simplified systemb	Detailed system	Implication
TF	F2 or F3	Presence of inflammatory trachoma
TI	P3	Severe intensity of inflammation
TS	C1, C2, or C3	Presence of cicatricial trachoma
TT	T/E2 or T/E3	Potentially disabling lesion
CO	CC2 or CC3	Visually disabling lesion

^aThe simplified system (226) was compared with the more detailed system (53).

^bSee Table 2, footnote a.