Table 1 Demographic and clinical characteristics of individuals covered in the MSMT 2021 surveys and those selected for the analysis of subpatent infections
Variable | Total (N = 18,526) | Selected for qPCR n (%) | Pf subpatent infections n (%) |  | |
|---|---|---|---|---|---|
Total analysed | With Pf Subpatent infection | Â | |||
Total | 18,526 | 4776 | 2685 | 525 | Â |
Age groupa | Â | Â | Â | Â | Â |
  < 5 years | 8006 | 1919 (40.2) | 1235 | 282 (22.8) |  |
 5–15 years | 3330 | 971 (20.3) | 322 | 58 (18.0) |  |
 15 + years | 7190 | 1886 (39.5) | 1128 | 185 (16.4) |  |
Sexb | Â | Â | Â | Â | Â |
 Female | 8651 | 2282 (58.1) | 1251 | 208 (16.6) |  |
 Male | 6782 | 1643 (48.9) | 795 | 125 (15.7) |  |
Feverc | Â | Â | Â | Â | Â |
 At presentation | 7614 | 1509 (38.8) | 658 | 109 (16.6) |  |
 History of fever (48 h) | 5692 | 1868 (48.0) | 926 | 150 (16.2) |  |
 No fever | 1962 | 516 (13.3) | 445 | 81 (18.2) |  |
Transmission strata | Â | Â | Â | Â | Â |
 High | 7412 | 1931 (40.4) | 1,161 | 242 (20.8) |  |
 Moderate | 3492 | 867 (18.2) | 361 | 89/ (24.7) |  |
 Low | 2585 | 640 (13.4) | 262 | 77 (29.4) |  |
 Very low | 5037 | 1338 (28.0) | 901 | 117 (13.0) |  |
Regions | Â | Â | Â | Â | Â |
 Dar es Salaam | 753 | 214 (4.5) | 62 | 16 (25.8) |  |
 Dodoma | 1005 | 279 (5.8) | 149 | 58 (38.9) |  |
 Kagera | 1515 | 419 (8.8) | 159 | 35 (22.0) |  |
 Kilimanjaro | 3331 | 897 (18.8) | 736 | 94 (12.8) |  |
 Manyara | 852 | 229 (4.8) | 81 | 9 (11.1) |  |
 Mara | 1357 | 337 (7.1) | 101 | 24 (23.8) |  |
 Mtwara | 1179 | 304 (6.4) | 61 | 17 (27.9) |  |
 Njombe | 854 | 212 (4.4) | 84 | 14 (16.7) |  |
 Songwe | 827 | 147 (3.1) | 51 | 3 (5.9) |  |
 Tabora | 1098 | 271 (5.7) | 59 | 17 (28.8) |  |
 Kigoma | 883 | 253 (5.3) | 207 | 10 (4.8) |  |
 Ruvuma | 743 | 203 (4.3 | 160 | 39 (24.4) |  |
 Tanga | 1037 | 259 (5.4) | 201 | 48 (23.9) |  |
 Geita | 3092 | 752 (15.7) | 574 | 141 (24.6) |  |