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Table 2 Physical appearance of currency and type of contamination

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

Currency physical appearance

Contamination N (%)

Total number contaminated

N (%)

Strictly bacteria

Strictly fungi

Bacteria and fungi (mixed)

Note

Clean (35)

8 (3.8)

2 (0.9)

24 (11.3)

34 (16.0)

Dirty (110)

38 (17.8)

5 (2.3)

63 (29.6)

106 (49.8)

Total (145)

46 (21.6)

7 (3.3)

87 (40.8)

140 (65.7)

Coin

Clean (30)

13 (6.1)

4 (1.8)

10 (4.6)

27 (12.6)

Dirty (38)

14 (6.5)

5 (2.3)

14 (6.5)

33 (15.5)

Total (68)

27 (12.6)

9 (4.2)

24 (11.2)

60 (28.2)

Grand total (213)

73 (34.3)

16 (7.5)

111 (52.1)

200 (93.9)

  1. N = Number obtained, Notes: Bacteria: χ2-test: χ2 = 13.29; df = 1; P < 0.001; Fungi: χ2-test: χ2 = 0.00; df = 1; P = 0.991, Bacteria and fungi: χ2-test: χ2 = 12.42; df = 1; P < 0.001.
  2. Coins: Bacteria: χ2-test: χ2 = 1.37; df = 1; P = 0.242; Fungi: χ2-test: χ2 = 0.003; df = 1; P = 0.959; Bacteria and fungi: χ2-test: χ2 = 13.06; df = 1; P < 0.001.