TABLE 1.

Summary of epidemiological characteristics of described SSPE cases from published South African studies

Refer-ence	Yr of data collection	Area	Total no. of cases	SSPE incidencea	No. of cases by race	Age (yr)	Male/female ratio
8	1971–1974	Cape Province	15	1.2	9 M, 6 B	3–13	2.8:1
7	1955–1974	Southern Africab	79	ND	36 W, 23 M, 20 B	1–23	ND
4	1955–1975	Southern Africab	96	M, 15.9c; W, 2.9c	30 W, 30 M, 26 B	1–23	2.2:1 (W), 0.9:1 (M), 1.8:1 (B)
9	1955–1980	Southern Africab	116	M, 2.6c; W, 1.47c	ND	ND	ND
3	1984–1987	South Africa	44	Overall, 0.43; W, 0.63; B, 0.36	12 W, 32 B	3–27	0.9:1
13	1984–1990	South Africa	75	ND	16 W, 5 M, 53 B	2–29	1:1.1
10	1982–1987	Kwazulu-Natal Province	18	ND	17 B, 1 Ad	4–14	1.25:1

^aNumber of cases per 1,000,000 people per year. W, white; M, mixed; B, black, ND, not done. 

^bIncludes Zimbabwe, Namibia, and Malawi. 

^cAge-specific (0 to 24 years) incidence, Cape Province only (1970 to 1976). 

^dA, Asian.