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Table 5 Pf density by location, age group and surveys period

From: School-based malaria prevalence: informative systematic surveillance measure to assess epidemiological impact of malaria control interventions in the Democratic Republic of the Congo

Location and age (years) log10 Pf density Total p-value
< 2.00 2.00–2.99 3.00+
Pf density-aggregation by survey location
 Rural Age 6–8 101 128 84 313 0.138
9–10 46 70 39 155
11–12 59 70 26 155
Total 206 268 149 623
 Urban Age 6–8 496 438 246 1180 0.134
9–10 313 259 121 693
11–12 255 188 93 536
Total 1064 885 460 2409
 Total Age 6–8 597 566 330 1493 0.039
9–10 359 329 160 848
11–12 314 258 119 691
Total 1270 1153 609 3032
Survey period and age (years) log10 Pf density Total p-value
< 2.00 2.00–2.99 3.00+
Pf density-aggregation by survey period
 May Age 6–8 281 311 182 774 0.648
9–10 172 206 112 490
11–12 168 163 92 423
Total 621 680 386 1687
 October Age 6–8 316 255 148 719 0.000
9–10 187 123 48 358
11–12 146 95 27 268
Total 649 473 223 1345
 Total Age 6–8 597 566 330 1493 0.039
9–10 359 329 160 848
11–12 314 258 119 691
Total 1270 1153 609 3032