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Table 3 Seasonal correlation between vivax malaria infected Anopheles mosquitoes and vivax malaria cases among ROK Army soldiers stationed at nine ROK Army installations near the DMZ, Paju and Yeoncheon, Gyeonggi Province, Republic of Korea, from May–Oct, 2011

From: Distribution of malaria vectors and incidence of vivax malaria at Korean army installations near the demilitarized zone, Republic of Korea

Species

Number of Anopheles spp. positive for P. vivax sporozoites/total number of collected (MFIR)a

Correlationc

May

MPb

Jun

MP

Jul

MP

Aug

MP

Sep

MP

Oct

MP

n

Sig.

Value

Site A

2/44 (4.5)

0

11/475 (2.3)

0

46/472 (9.7)

6

42/631 (7.1)

2

7/218 (3.2)

1

0/8 (0.0)

0

6

0.032d

0.851

Site B

4/49 (8.16)

0

21/440 (4.8)

1

38/401 (9.5)

4

15/228 (5.3)

2

4/138 (2.9)

0

0/11 (0.0)

0

6

0.006e

0.938

Site C

11/86 (12.8)

0

8/104 (7.7)

1

2/23 (8.7)

1

17/471 (3.6)

2

16/482 (3.3)

0

0/1 (0.0)

1

6

0.943f

−0.38

Total

17/179 (9.5)

0

40/1019 (3.9)

2

86/896 (9.6)

11

74/1330 (5.6)

6

27/838 (3.2)

1

0/20 (0.0)

1

6

0.012d

0.911

  1. aMFIR, Number of Anopheles spp. positive for P. vivax sporozoites/total number Anopheles spp. collected (percent positive)
  2. bNumber of vivax malaria ROKA soldiers reported from the 9 ROKA installations surveyed
  3. cCorrelation between the number of Anopheles spp. positive for P. vivax sporozoites and vivax patients reported from the 9 ROKA installations surveyed from May–October, where n = number of months
  4. d, eCorrelations significant at the P < 0.05 and P < 0.01 levels by Pearson correlation test of SAS, respectively
  5. fNot significant