Table 1.

Description of study population according to clinical and IgM laboratory definition of measles

		Clinical definition		Laboratory IgM definition
		N = 253		N = 74
		n	%	n	%
Gender	Male	132	52	34	46
Age	< 9 months	23	9	16	22
	9–23 months	31	12	17	23
	23–59 months	52	21	7	10
	5–9 yrs	86	34	12	16
	10–14 yrs	38	15	9	12
	≥ 15 yrs	23	9	13	18
Primary cases		218	86	63	85
Complications*	Yes	105	42	47	64
Mortality†		8	3	6	8
Measles vaccination‡	Yes	116	88	14	58

^*Complications in Clinical definition (N = 251), and in immunoglobulin M (IgM) laboratory definition (N = 74).

^†Mortality in Clinical definition (N = 246).

^‡Vaccination status was assessed among study population ≥ 9 months presenting vaccination cards. In Clinical definition (N = 132), in IgM laboratory definition (N = 24).