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Table 2 Spatial clusters of fever positive RDT cases detected by SaTScan, ordered from the cluster with the highest LLR, stratified by quarterly intervals

From: Spatial–temporal clustering of malaria using routinely collected health facility data on the Kenyan Coast

Period Cluster order Radius (km) Number of cases in cluster (n) Cumulative cases/total cases Expected cases Number of HMs in cluster (n) Cumulative HMs/total HMs RR p-value
Q1 1 2.90 287 287/1651 139.12 106 106/2290 2.29  < 0.001
  2 2.31 270 557/1651 174.58 216 322/2290 1.65  < 0.001
  3 1.13 44 601/1651 21.2 23 345/2290 2.11  < 0.001
  4 0.66 88 689/1651 59.74 60 405/2290 1.50 0.03
Q2 1 3.00 583 583/4096 371.51 220 220/3532 1.66  < 0.001
  2 1.72 289 872/4096 197.21 143 363/3532 1.50  < 0.001
  3 2.09 363 1235/4096 270.88 227 590/3532 1.37  < 0.001
  4 2.52 103 1338/4096 64.69 40 630/3532 1.61  < 0.001
  5 2.49 222 1560/4096 163.97 84 714/3532 1.37  < 0.001
  6 2.32 283 1843/4096 229.1 251 965/3532 1.25 0.02
Q3 1 2.28 815 815/3554 550.29 546 546/3368 1.62  < 0.001
  2 2.78 503 1318/3554 306.47 177 723/3368 1.75  < 0.001
  3 2.97 537 1855/3554 400.44 306 1029/3368 1.40  < 0.001
  4 1.24 133 1988/3554 89.74 69 1,098/3368 1.50  < 0.001
Q4 1 2.75 538 538/2842 334.22 216 216/2890 1.75  < 0.001
  2 1.51 226 764/2842 157.47 188 404/2890 1.47  < 0.001
  3 1.74 134 898/2842 84.34 74 478/2890 1.62  < 0.001
  4 1.82 247 1145/2842 183.04 178 656/2890 1.38  < 0.001
  5 2.70 114 1259/2842 73.12 76 732/2890 1.58  < 0.001