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Table 1 Relationship between currency denomination and type of contamination

From: Public health implications of contamination of Franc CFA (XAF) circulating in Buea (Cameroon) with drug resistant pathogens

Currency denomination (N)

Contamination N (%)

Total number contaminated N (%)

Strictly bacteria

Strictly fungi

Bacteria and fungi

Note

500 (22)

9 (4.2)

0 (0)

13 (6.1)

22 (100)

1000 (49)

13 (6.1)

2 (0.9)

32 (15.0)

47 (95.9)

2000 (44)

12 (5.6)

3 (1.4)

28 (13.1)

43 (97.7)

5000 (15 )

9 (4.2)

1 (0.5)

4 (1.9)

14 (93.3)

10000 (15)

3 (1.4)

1 (0.5)

10 (4.7)

14 (93.3)

Total (145)

46 (21.5)

7 (3.3)

87 (40.8)

140 (96.6)

Coin

50 (22)

11 (5.2)

1 (0.5)

8 (3.7)

20 (90.9)

100 (37)

14 (6.6)

6 (2.8)

12 (5.6)

32 (86.5)

500 (09)

2 (0.9)

2 (0.9)

4 (1.9)

8 (88.9)

Total (68)

27 (12.7)

9 (4.2)

24 (11.3)

60 (88.2)

Grand total (213)

73 (34.2)

16 (7.5)

111 (52.1)

200 (93.6)

  1. Bacteria: χ2-test: χ2 = 7.034; df =1; P = 0.008; Fungi: χ2-test: χ2 = 5.320; df =1; P = 0.021.
  2. Bacteria and fungi: χ2-test: χ2 = 6.241; df =1; P = 0.018; Currency denomination: χ2-test: χ2= 3.868; df = 1; P = 0.049; N = Number obtained.