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Table 4 Malaria incidence data, contact smears and malriometric indices in Mangaluru

From: Digitized smart surveillance and micromanagement using information technology for malaria elimination in Mangaluru, India: an analysis of five-year post-digitization data

  Pre-digitization Digitization year (DY) 2015–16
PDY 1
2016–17
PDY 2
2017–18
PDY 3
2018–19
PDY 4
2019–20
PDY 5
Total malarial cases (no.) 8867 10,962 12,614 7637 7110 3750 1813
Number of smears collected 84,102 106,885 154,409 203,894 130,910 86,745 27,608
Number of contact smears
Positive cases from ASARC
NA NA 21,203
(123)
36,211
(32)
20,839
(55)
13,185
(44)
8656
(32)
Number of smears/incidence 9.48 9.75 12.24 26.68 18.37 23.18 16.75
Vivax malaria (% of total) 8092 (91) 10,196 (93) 11,277 (89) 6245 (82) 5633 (79) 3099 (82) 14 (82)
Falciparum Malaria (% of total) 775 (9) 766 (7) 1337 (11) 1395 (18) 1494 (21) 651 (18) 329 (18)
Chi-square for trend x2 = 679.63 p < 0.001   
 ABER (%) 13.48 17.13 24.75 32.68 20.9 17.75 4.9
 SPR (%) 11.15 10.36 8.17 3.74 5.4 4.3 6.56
 SFR (%) 0.92 0.73 0.86 0.68 1.1 0.7 1.19
 API (cases/1000 population) 15.51 16.17 18.42 12.24 11.4 5.4 2.64
  1. ABER annual blood examination rate, SPR slide positivity rate; SFR slide falciparum rate, API annual parasite incidence