Sample size determination for estimating antibody seroconversion rate under stable malaria transmission intensity

Sepúlveda, Nuno; Drakeley, Chris

doi:10.1186/s12936-015-0661-z

Malaria Journal

Table 3 Exact sample sizes and corresponding ranges for absolute SCR, EIR and SP by controlling the relative length of 95% confidence interval for SCR under the assumption of SRR = 0.017

From: Sample size determination for estimating antibody seroconversion rate under stable malaria transmission intensity

Population	Relative length	SCR	Sample size	SCR	EIR	SP
Africa	1.00	0.0036	315	0.0019-0.0054	0.00-0.03	0.030-0.085
		0.0108	128	0.0058-0.0166	0.03-0.26	0.090-0.223
		0.0324	73	0.0189-0.0513	0.34-2.75	0.248-0.483
		0.0969	79	0.0627-0.1594	4.18-29.17	0.536-0.759
		0.2900	151	0.1994-0.4885	46.5-300.58	0.801-0.919
	0.75	0.0036	549	0.0023-0.0050	0.00-0.02	0.037-0.078
		0.0108	220	0.0070-0.0151	0.04-0.21	0.106-0.207
		0.0324	123	0.0218-0.0461	0.46-2.20	0.276-0.455
		0.0969	127	0.0689-0.1415	5.08-22.76	0.560-0.735
		0.2900	233	0.2137-0.4307	53.7-231.22	0.813-0.907
	0.50	0.0036	1163	0.0027-0.0045	0.01-0.02	0.044-0.071
		0.0108	479	0.0082-0.0136	0.06-0.17	0.123-0.190
		0.0324	264	0.0250-0.0412	0.61-1.74	0.305-0.425
		0.0969	262	0.0765-0.1249	6.31-17.54	0.588-0.707
		0.2900	461	0.2326-0.3776	64.05-175.78	0.827-0.893
	0.25	0.0036	4,968	0.0032-0.0041	0.01-0.01	0.051-0.064
		0.0108	1,878	0.0095-0.0122	0.08-0.14	0.140-0.173
		0.0324	1,009	0.0285-0.0366	0.81-1.36	0.335-0.396
		0.0969	976	0.0858-0.1100	8.02-13.46	0.617-0.678
		0.2900	1,670	0.2576-0.3301	79.28-132.89	0.843-0.877
Elsewhere	1.00	0.0036	248	0.0019-0.0055	0.00-0.03	0.039-0.107
		0.0108	105	0.0059-0.0166	0.03-0.26	0.115-0.276
		0.0324	67	0.0195-0.0516	0.37-2.79	0.311-0.563
		0.0969	90	0.0645-0.1612	4.43-29.85	0.622-0.819
		0.2900	209	0.2019-0.4915	47.71-304.46	0.853-0.940
	0.75	0.0036	439	0.0023-0.0050	0.00-0.02	0.047-0.098
		0.0108	179	0.0070-0.0151	0.04-0.21	0.134-0.256
		0.0324	111	0.0221-0.0463	0.48-2.22	0.340-0.534
		0.0969	142	0.0700-0.1426	5.26-23.12	0.643-0.798
		0.2900	320	0.2154-0.4325	54.58-233.33	0.861-0.931
	0.50	0.0036	953	0.0027-0.0045	0.01-0.02	0.056-0.090
		0.0108	388	0.0082-0.0136	0.06-0.17	0.154-0.236
		0.0324	234	0.0251-0.0413	0.62-1.75	0.371-0.503
		0.0969	288	0.0771-0.1254	6.41-17.7	0.667-0.774
		0.2900	629	0.2335-0.3784	64.59-176.58	0.872-0.921
	0.25	0.0036	3,558	0.0031-0.0040	0.01-0.01	0.064-0.082
		0.0108	1,507	0.0095-0.0122	0.08-0.14	0.175-0.216
		0.0324	890	0.0286-0.0367	0.81-1.36	0.404-0.470
		0.0969	1,059	0.0859-0.1101	8.04-13.49	0.693-0.748
		0.2900	2,263	0.2579-0.3304	79.44-133.1	0.884-0.909

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ISSN: 1475-2875

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