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Table 2 Summary of malaria recurrences by year, species, and province

From: Progress and challenges of integrated drug efficacy surveillance for uncomplicated malaria in Thailand

Species and province Recurrences, n/N (%)
FY2018 FY2019 FY2020
P. falciparum overall 13/249 (5.2) 14/379 (3.7) 3/167 (1.8)
 Chanthaburi 2/6 (33.3)
 Kamphaeng Phet 1/1 (100)
 Phangnga 1/2 (50.0)
 Sakaeo 1/3 (33.3)
 Sisaket 8/59 (13.6) 10/49 (20.4)
 Surat Thani 2/33 (6.1) 1/15 (6.7)
 Surin 1/4 (25.0) 1/7 (14.3)
 Tak 1/52 (1.9)
 Ubon Ratchathani 1/10 (10.0)
P. vivax overall 66/2048 (3.2) 58/2206 (2.6) 52/2448 (2.1)
 Chachoengsao 2/42 (4.8)
 Chon Buri 1/6 (16.7)
 Kanchanaburi 1/143 (0.7) 3/235 (1.3)
 Mae Hong Son 3/184 (1.6) 6/199 (3.0)
 Nakhon Ratchasima 2/2 (100) 1/19 (5.3)
 Phetchaburi 2/79 (2.5) 4/124 (3.2)
 Phitsanulok 2/26 (7.7)
 Prachin Buri 1/22 (4.5)
 Prachuap Khiri Khan 2/65 (3.1) 6/110 (5.5)
 Ratchaburi 7/117 (6.0) 11/182 (6.0)
 Sisaket 36/200 (18.0) 24/198 (12.1) 5/41 (12.2)
 Tak 20/385 (5.2) 8/398 (2.0) 21/703 (3.0)
 Yala 2/506 (0.4) 4/523 (0.8) 2/559 (0.4)
  1. Only provinces with malaria recurrences are shown. Recurrences are shown for patients who had at least one follow-up visit for P. falciparum malaria up to and including day 42 and received dihydroartemisinin–piperaquine plus primaquine; and for patients who had at least one follow-up visit for P. vivax malaria up to and including day 90 and received chloroquine plus primaquine