Table 4 Odds ratios and P values estimated for different IPIs/Cs in the pre- and post-COVID-19 periods. The odds ratios were calculated for being negative for each infection and can be inversed by 1 ÷ OR

Parasite

Covid pandemic

Total

Pre-covid

Post-covid

Total IPIs/C

Negative n (%)

616 (23.1)

33 (17.9)

649 (22.8)

Positive n (%)

2045 (76.9)

151 (82.1)

2196 (77.2)

Total

2661 (100)

184 (100)

2845 (100)

Odds ratio

1.378

1

P value

0.1

E. nana

Negative n (%)

647 (99.7)

2156 (98.2)

2803 (98.5)

Positive n (%)

2 (0.3)

40 (1.8)

42 (1.5)

Total

649 (100)

2196 (100)

2845 (100)

Odds ratio

6.002

1

P value

0.005

E. coli

Negative n (%)

649 (100)

2172 (98.9)

2821 (99.2)

Positive n (%)

0 (0)

24 (1.1)

24 (0.8)

Total

649 (100)

2196 (100)

2845 (100)

Odds ratio

-

-

P value

0.007

Blastocystis

Negative n (%)

621 (95.7)

2106 (95.9)

2727 (95.9)

Positive n (%)

28 (4.3)

90 (4.1)

118 (4.1)

Total

649 (100)

2196 (100)

2845 (100)

Odds ratio

0.948

1

P value

0.808

G. lamblia

Negative n (%)

645 (99.4)

2187 (99.6)

2832 (99.5)

Positive n (%)

4 (0.6)

9 (0.4)

13 (0.5)

Total

649 (100)

2196 (100)

2845 (100)

Odds ratio

0.664

1

P value

0.493

I. butschlii

Negative n (%)

649 (100)

2193 (99.9)

2842 (99.9)

Positive n (%)

0 (0)

3 (0.1)

3 (0.1)

Total

649 (100)

2196 (100)

2845 (100)

Odds ratio

-

-

P value

0.346

 C. mesnili

Negative n (%)

649 (100)

2194 (99.9)

2843 (99.9)

Positive n (%)

0 (0)

2 (0.1)

2 (0.1)

Total

649 (100)

2196 (100)

2845 (100)

Odds ratio

-

-

P value

0.442

Cryptosporidium

Negative n (%)

649 (100)

2190 (99.7)

2839 (99.8)

Positive n (%)

0 (0)

6 (0.3)

6 (0.2)

Total

649 (100)

2196 (100)

2845 (100)

Odds ratio

-

-

P value

0.183