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Table 1 Characteristics of the included studies

From: Preliminary review on the prevalence, proportion, geographical distribution, and characteristics of naturally acquired Plasmodium cynomolgi infection in mosquitoes, macaques, and humans: a systematic review and meta-analysis

No. Authors Year of study Study site Types of samples/number of samples Number of malaria cases by PCR Number of P. cynomolgi cases by PCR Age of patients with P. cynomolgi (years) Number of male patients with P. cynomolgi PCR for P. cynomolgi Target gene for PCR
1. Grignard et al., 2019 [18] 2015 Northern Sabah, Malaysia Human/876 54 2 43, 63 2 (100%) Genus specific semi-nested PCR 18S rRNA
2. Imwong et al., 2019 [19] 2013–2016 Pailin and Battambang provinces, Cambodia Human/14,732 1361 13 Median 28, range 7–64 11 (84.6%) Nested PCR 18S rRNA
3. Raja et al., 2020 [20] 2013–2017 Kapit, Sarawak, Malaysia Human/1047 (seropositive for malaria) 845 6 36, 18, 63, 50, 17, 65 3 (50%) Nested PCR 18S rRNA
4. Chinh et al., 2019 [21] 2005–2018 Southern Vietnam Mosquitoes/1386 40 9    Nested PCR 18S rRNA
5. Chua et al., 2017 [22] 2013–2014 Kudat district, Sabah, Malaysia Mosquitoes/1586 23 6    Nested PCR 18S rRNA
6. Maeno et al., 2015 [23] 2010–2013 Vietnam Mosquitoes/6062 86 11    Nested PCR 18S rRNA
7. Akter et al., 2015 [11] 2014 Selangor, Malaysia Macaques/70 36 18    Nested PCR 18S rRNA
8. Amir et al., 2020 [12] 2016 Johor, Malaysia Macaques/103 64 42    Nested PCR 18S rRNA
9. Lee et al., 2011 [15] 2004–2008 Sarawak, Malaysia Macaques/108 101 61    Nested PCR 18S rRNA
10. Muehlenbein et al., 2015 [16] Not specified Sabah, Malaysia Macaques/41 41 4    Not specified type of PCR cytochrome b
11. Gamalo et al., 2019 [13] 2017 Luzon, Philippines Macaques/95 95 26    Nested PCR 18S rRNA
12. Zhang et al., 2016 [17] Not specified Batangas/Zamboanga, Philippines Macaques/68 7 4    Nested PCR 18S rRNA
Southern Sumatra, Indonesia Macaques/50 49 48     
Bintan Island, Indonesia Macaques/20 16 13     
Singapore Macaques/40 31 26     
Vanny, Cambodia Macaques/54 44 27     
Guidong, Laos Macaques/44 30 28     
13. Li Meizhi I, 2011 [14] Not specified Singapore Macaques/92 66 56    Nested PCR 18S rRNA