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Table 2 Summary data on longitudinal measures of malaria morbidity

From: Relationships between test positivity rate, total laboratory confirmed cases of malaria, and malaria incidence in high burden settings of Uganda: an ecological analysis

Age group Monthly metrics, median (range) MRC
Awach Lalogi Opia Lumino Lobule
All ages Test positivity rate (TPR) all patients 69.2% (60.5–87.0%) 67.0% (40.8–83.2%) 63.0% (35.6–85.9%) 59.4% (51.9–70.7%) 76.4% (67.1–84.1%)
Test positivity rate (TPR) from catchment area 73.3% (61.3–86.9%) 69.1% (40.7–86.4%) 68.4% (40.8–87.9%) 62.0% (50.2–73.2%) 76.3% (71.1–88.1%)
Total laboratory confirmed cases of malaria (TCM) 994 (612–1951) 1,030 (349–2465) 700 (210–1633) 776 (570–1724) 1,131 (534–1695)
Estimated cases of malaria from catchment area 594 (398–1194) 370 (118–913) 307 (90–711) 124 (90–353) 178 (111–327)
Proportion of TCM from catchment area 63.4% (56.2–70.9%) 39.2% (30.4–44.5%) 43.2% (34.3–52.5%) 16.0% (12.9–20.5%) 18.0% (13.2–20.8%)
Estimated population of catchment area 5239 (5134–5347) 5919 (5801–6041) 2170 (2126–2214) 1487 (1457–1517) 2871 (2814–2930)
Malaria incidence (MI) from catchment area* 1357 (921–2726) 744 (244–1846) 1689 (489–3946) 1010 (721–2879) 761 (473–1351)
Maximal fold change in TPR (all patients) 1.4 2.0 2.4 1.4 1.3
Maximal fold change in TCM (all patients) 3.2 7.1 7.8 3.0 3.2
Maximal fold change in MI (catchment area only) 3.0 7.6 8.1 4.0 2.9
 < 5 years Test positivity rate (TPR) all patients 72.0% (57.6–90.7%) 75.1% (43.8–89.9%) 65.5% (32.4–91.3%) 72.2% (62.7–85.9%) 83.1% (70.7–89.3%)
Test positivity rate (TPR) from catchment area 74.0% (55.3–88.2%) 77.6% (40.0–90.9%) 69.5% (26.5–90.0%) 67.9% (54.5–83.8%) 83.7% (67.2–91.1%)
Total laboratory confirmed cases of malaria (TCM) 230 (129–449) 254 (98–730) 129 (39–332) 256 (156–544) 284 (159–422)
Estimated cases of malaria from catchment area 139 (80–291) 97 (31–270) 64 (13–156) 34 (19–108) 51 (29–74)
Proportion of TCM from catchment area 61.1% (47.6–65.4%) 42.9% (30.8–51.0%) 45.1% (32.5–60.6%) 13.6% (10.2–19.8%) 19.8% (13.8–24.6%)
Estimated population of catchment area 975 (956–995) 1102 (1,080–1124) 404 (396–412) 277 (271–283) 535 (524–546)
Malaria incidence (MI) from catchment area* 1681 (976–3559) 1047 (340–2931) 1905 (390–4660) 1448 (838–4718) 1161 (659–1642)
Maximal fold change in TPR (all patients) 1.6 2.1 2.8 1.4 1.3
Maximal fold change in TCM (all patients) 3.5 7.4 8.5 3.5 2.7
Maximal fold change in MI (catchment area only) 3.6 8.6 11.9 5.6 2.5
  1. *cases per 1000 person years