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Table 5 Relationship between different seasons and proportion of malaria cases

From: Variation of prevalence of malaria, parasite density and the multiplicity of Plasmodium falciparum infection throughout the year at three different health centers in Brazzaville, Republic of Congo

SeasonsMonthsHôpital de MfilouCSI «Maman Mboualé»LNSPAll
Nn (%)Nn (%)Nn (%)Nn (%)
RainyMay-1542 (50,0)86 (75,0)40 (0,0)168 (50,0)
DryJune-152412 (50,0)3629 (80,6)141 (7,1)7442 (56,8)
July-15277 (25,9)3617 (47,2)140 (0,0)7724 (31,2)
August-15323 (9,4)3415 (44,1)50 (0,0)7118 (25,4)
September-15291 (3,4)3611 (30,6)184 (22,2)8316 (19,3)
RainyOctober-15256 (24,0)349 (26,5)70 (0,0)6615 (22,7)
November-15156 (40,0)3410 (29,4)61 (16,7)5517 (30,9)
DryDecember-15236 (26,1)316 (19,4)142 (14,3)6814 (20,6)
January-16163 (18,8)3210 (31,3)111 (9,1)5914 (23,7)
RainyFebruary-16187 (38,9)3414 (41,2)131 (7,7)6522 (33,8)
March-16162 (12,5)379 (24,3)41 (25,0)5712 (21,1)
April-1693 (33,3)3216 (50,0)70 (0,0)4819 (39,6)
May-16214 (19,0)3221 (65,6)141 (7,1)6726 (38,8)
P-value0,004<0,010,477<0,01
  1. N: number of enrolled patients per month; n: number of malaria cases per month