The prevalence of soil transmitted helminths and its influential factors in Shandong Province, China: an analysis of surveillance data from 2016 to 2020

Table 1 Prevalence and infection intensity of STHs species in Shandong Province

Helminth	Total infection		Light infection			Moderate infection			Heavy infection
Helminth	n	Prevalence rate (%)	Standards (EPG)	n	Proportion (%)	Standards (EPG)	n	Proportion (%)	Standards (EPG)	n	Proportion (%)
Ascaris lumbricoides	92^a	0.13	< 5000	88	95.65	5000–49,999	4	4.35	≥ 50,000	0	0
Hookworm	23^b	0.03	< 2000	22	95.65	2000–3999	0	0	≥ 4000	1	4.35
Trichuris trichiura	716^c	0.99	< 1000	688	96.09	1000–9999	26	3.63	≥ 10,000	2	0.28

STHs soil-transmitted helminths
^aAmong 92 A. lumbricoides infected cases, 11 cases were mixed infection with T. trichiura
^bAmong 23 hookworm infected cases, 1 case was mixed infection with T. trichiura
^cAmong 716 T. trichiura infected cases, 11 cases were mixed infection with A. lumbricoides and 1 case was mixed infection with hookworm

ISSN: 2049-9957