Table 1 The results of case detection in each study area of the pilot project
From: Effectiveness of joint 3 + 1 malaria strategy along China–Myanmar cross border areas
Area | Year | Population | No. of blood examination | No. of confirmed or registered cases | Proportion of Pv (%, No.) | ABER (%) | MTPR (%) | API or AIR (‰, 95% CI) | Compared with last year | Compared between 2019 and 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
X2 (P value) | OR (95% CI) | x2 (P Value) | OR (95% CI) | |||||||||
+ 1 | 2015 | 19,470 | 5361 | 940 | 99.36 (934) | 27.53 | 17.53 | 48.28 (45.27–51.29) | – | – | 1462.89 (< 0.001) | 0.11 (0.09–0.12) |
2016 | 19,583 | 9275 | 2080 | 97.69 (2032) | 47.36 | 22.43 | 104.77 (100.51–109.03) | 442.43 (< 0.001) | 2.31 (2.13–2.5) | |||
2017 | 19,754 | 8754 | 1936 | 98.19 (1901) | 44.32 | 22.12 | 98.01 (93.86–102.15) | 4.97 (0.026) | 0.93 (0.87–0.99) | |||
2018 | 20,560 | 8095 | 664 | 95.63 (535) | 39.37 | 8.20 | 32.3 (29.88–34.71) | 720.97 (< 0.001) | 0.31 (0.28–0.34) | |||
2019 | 18,640 | 7644 | 227 | 100 (227) | 41.01 | 2.97 | 12.18 (10.6–13.75) | 178.13 (< 0.001) | 0.37 (0.32–0.43) | |||
The first preventive line | 2015 | 1822 | 1163 | 110 | 100 (110) | 63.83 | 9.46 | 60.37 (49.43–71.32) | – | – | 36.84 (< 0.001) | 0.33 (0.23–0.48) |
2016 | 1897 | 1293 | 100 | 100 (100) | 68.16 | 7.73 | 57.63 (46.92–68.34) | 0.43 (0.512) | 0.91 (0.69–1.21) | |||
2017 | 2067 | 1369 | 119 | 96.64 (115) | 66.23 | 8.69 | 57.57 (47.52–67.62) | 0.45 (0.504) | 1.1 (0.84–1.44) | |||
2018 | 2097 | 1424 | 52 | 98.08 (51) | 67.91 | 3.65 | 24.8 (18.14–31.46) | 28.39 (< 0.001) | 0.42 (0.3–0.58) | |||
2019 | 2165 | 1415 | 39 | 100 (39) | 65.36 | 2.76 | 18.01 (12.41–23.62) | 2.35 (0.126) | 0.72 (0.47–1.1) | |||
The second preventive line | 2015 | 141,107 | 4989 | 23 | 100 (23) | 3.54 | 0.46 | 0.16 (0.09–0.22) | – | – | 5.38 (0.020) | 0.48 (0.25–0.90) |
2016 | 144,339 | 5532 | 30 | 96.67 (29) | 3.83 | 0.54 | 0.20 (0.13–0.27) | 0.81 (0.368) | 1.29 (0.74–2.24) | |||
2017 | 147,084 | 5001 | 22 | 95.46 (21) | 3.40 | 0.44 | 0.15 (0.09–0.21) | 1.39 (0.239) | 0.72 (0.42–1.25) | |||
2018 | 148,477 | 5353 | 18 | 94.44 (17) | 3.61 | 0.34 | 0.12 (0.07–0.18) | 0.44 (0.508) | 0.81 (0.43–1.51) | |||
2019 | 145,741 | 4772 | 14 | 100 (14) | 3.27 | 0.29 | 0.1 (0.05–0.15) | 0.43 (0.513) | 0.79 (0.39–1.59) | |||
The third preventive line | 2015 | 158,872 | 12,553 | 42 | 97.62 (41) | 7.90 | 0.33 | 0.26 (0.18–0.34) | – | – | 4.52 (0.033) | 0.64 (0.43–0.97) |
2016 | 165,853 | 13,785 | 56 | 96.43 (54) | 8.31 | 0.41 | 0.34 (0.25–0.43) | 1.44 (0.229) | 1.28 (0.86–1.91) | |||
2017 | 160,314 | 12,395 | 38 | 97.37 (37) | 7.73 | 0.31 | 0.24 (0.16–0.31) | 2.86 (0.091) | 0.7 (0.46–1.06) | |||
2018 | 161,782 | 10,005 | 35 | 100 (35) | 6.18 | 0.35 | 0.22 (0.14–0.29) | 0.15 (0.696) | 0.91 (0.58–1.44) | |||
2019 | 179,325 | 6553 | 39 | 100 (39) | 3.65 | 0.60 | 0.22 (0.15–0.29) | 0.001 (0.982) | 1.01 (0.64–1.59) | |||
Yingjiang County | 2015 | 301,801 | 18,705 | 175 | 99.43 (174) | 6.20 | 0.94 | 0.56 (0.48–0.64) | – | – | 35.82 (< 0.001) | 0.47 (0.37–0.61) |
2016 | 312,089 | 20,610 | 186 | 98.39 (183) | 6.60 | 0.90 | 0.59 (0.51–0.68) | 0.29 (0.592) | 1.06 (0.86–1.30) | |||
2017 | 309,465 | 18,765 | 179 | 96.65 (173) | 6.06 | 0.95 | 0.58 (0.49–0.66) | 0.06 (0.815) | 0.98 (0.79–1.2) | |||
2018 | 312,356 | 16,782 | 105 | 98.1 (103) | 5.37 | 0.63 | 0.34 (0.27–0.4) | 19.99 (< 0.001) | 0.58 (0.46–0.74) | |||
2019 | 327,231 | 12,740 | 92 | 100 (92) | 3.89 | 0.72 | 0.28 (0.22–0.34) | 1.57 (0.210) | 0.84 (0.63–1.11) | |||