Table 4.

Statistical parameters of parasite species isolated from P. americana in Sana'a City, Yemen, 2022.

Parasite/location	Statistical param	Al-Kuwait Hospital	Hail zone	Alqa'a zone	Madhbah	Noqum	Assafi'yah	p value	R 2
Entamoeba coli	Mean ± SE	1.00 ± 00d	4.00 ± 1.52c	5.0 ± 0.88cb	3.0 ± 0.33c	7.0 ± 0.33a	6.0 ± 0.0ba	0.0001	0.885
	95% CI	1.00–1.00	1.52–6.48	0.87–8.46	1.89–4.76	5.23–8.10	6.00–6.00
Entamoeba histolytica/dispar	Mean ± SE	2.0 ± 0.33d	4.00 ± 0.58c	1.00 ± 0.0d	5.00 ± 0.33b	5.00 ± 0.33b	7.00 ± 0.33a	0.0001	0.956
	95% CI	0.23–3.10	1.52–6.48	1.00–1.00	3.23–6.10	3.90–6.77	5.23–8.10
Giardia lamblia	Mean ± SE	0.00 ± 0.33d	4.00 ± 0.67bc	2.00 ± 0.00dc	5.00 ± 0.0ba	7.00 ± 1.53a	4.00 ± 0.33ba	0.0012	0.782
	95% CI	−1.10 to 1.77	0.46–6.20	2.00–2.00cd	5.00–5.00	−0.57 to 12.57	2.89–5.77
Ascaris lumbricoides	Mean ± SE	0.00 ± 0.33d	3.00 ± 0.67ba	2.00 ± 0.33c	3.00 ± 0.33cb	4.00 ± 1.33a	3.00 ± 0.33ba	0.0002	0.844
	95% CI	1.10–1.77	0.79–6.54	0.23–3.10	1.23–4.10	−2.40 to 9.07	1.23–4.10
Hymenolepis nana	Mean ± SE	1.00 ± 0.33b	3.0 ± 0.0a	3.00 ± 0.0a	2.00 ± 1.33a	3.00 ± 0.00a	3.00 ± 0.0a	0.059	0.550
	95% CI	−0.77 to 2.10	3.00–3.00	3.00–3.00	−2.40 to 9.07	3.00–3.00	3.00–3.00
Enterobius vermicularis	Mean ± SE	0.0 ± 0.0c	1.00 ± 0.33c	1.00 ± 0.33c	1.00 ± 0.33bc	2.00 ± 1.33a	3.00 ± 0.33ba	0.015	0.653
	95% CI	0.0–0.0	−0.77 to 2.10	−0.77 to 2.10	−0.10 to 2.77	−2.40 to 9.07	1.23–4.10
Hookworm	Mean ± SE	0.0 ± 0.0c	0.0 ± 0.33bc	0.0 ± 0.0c	1.00 ± 0.33cab	1.00 ± 0.33a	1.00 ± 0.0cba	0.008	0.689
	95% CI	0.0–0.0	−1.10 to 1.77	0.0–0.0	−0.77 to 2.10	−0.10 to 2.77	1.00–1.00
Trichuris trichiura	Mean ± SE	0.0 ± 0.0a	0.0 ± 0.33a	0.0 ± 0.33a	0.0 ± 0.67a	1.00 ± 0.33a	1.00 ± 0.33a	0.771	0.172
	95% CI	0.0–0.0	−1.10 to 1.77	−1.10 to 1.77	−2.20 to 3.53	−0.77 to 2.10	−0.77 to 2.10
Strongyloides stercoralis	Mean ± SE	0.0 ± 0.0a	0.0 ± 0.0a	0.0 ± 0.33a	0.0 ± 0.0a	0.0 ± 0.33a	0.0 ± 0.0a	0.571	0.250
	95% CI	0.0–0.0	0.0–0.0	−1.10 to 1.77	0.0–0.0	−1.10 to 1.77	0.0–0.0

Note: There is no significant difference (p > 0.05) among means sharing the same letter.