Global prevalence of Ascaris infection in humans (2010-2021): a systematic review and meta-analysis.

"table 1 global and regional prevalence of ascaris infection and estimated numbers of infected people (results from 758 datasets performed in 81 countries) sdg regions a (number of datasets available for a particular region) number of people screened (total) number of test positive people pooled prevalence % (95% ci ) estimated global or regional population (2020) estimated number of infected people in millions (95% ci ) global (758) b 4923876 164879 11 01 (10 27-11 78) 6646738000 731805853 (682619992-782985736) eastern and south-eastern asia (162) 1153432 35374 9 82 (8 44-11 30) 2346709000 230446823 (198062239-265178117) south-eastern asia (97) 174530 27780 19 06 (15 51-22 87) 668620000 127438972 (103702962-152913394) eastern asia (65) 978902 7594 1 39 (1 07-1 74) 1678090000 23325451 (17955563-29198766) latin america and the caribbean (110) 182807 13973 12 75 (10 75-14 88) 653962000 83380155 (70300915-97309545) south america (86) 173479 12352 11 58 (9 49-13 84) 430760000 49882008 (40879124-59617184) central america (20) 7184 1424 18 83 (13 04-25 42) 179670000 33831861 (23428968-45672114) caribbean region (4) 2144 197 11 41 (4 38-21 09) 43532000 4967001 (1906701-9180898) sub-saharan africa (353) 774117 92804 11 66 (10 56-12 81) 1094366000 127603075 (115565049-140188284) western africa (117) 138888 10583 1107 (8 75-13 63) 401861000 44486012 (35162837-54773654) eastern africa (184) 594973 75655 11 12 (9 86-12 45) 445405000 49529036 (43916933-55452922) southern africa (6) 3426 697 14 48 (6 27-25 30) 67504000 9774579 (4232500-17078512) middle africa (46) 36830 5869 15 31 (11 39-19 69) 179596000 27496147 (20455984-35362452) central and southern asia (92) 389695 15434 12 91 (10 01-16 13) 2014709000 260098931 (201672370-324972561) southern asia (89) 375197 14839 13 10 (10 01-16 54) 1940370000 254188470 (194231037-320937198) central asia (3) 14498 595 8 02 (0 24-24 90) 74339000 5961987 (178413-18510411) northern africa &western asia (37) 2422161 6869 2 04 (1 47-2 70) 525869000 10727727 (7730274-14198463) northern africa (7) 20313 239 4 01 (0 85-9 20) 246232000 9873903 (2092972-22653344) western asia (30) 2401848 6630 1 71 (1 14-2 38) 279637000 4781792 (3187861-6655360) oceania (melanesia sub-region) (4) c 1664 425 28 77 (7 07-57 66) 11123000 3200087 (786396-6413521) sdg sustainable development goal; ci confidence interval a sustainable development goal regions as defined by the united nations b only population of endemic area were considered in the analyses and population of north america europe and australia & new zealand are not considered c countries (solomon islands and papua new guinea) with eligible data were only from melanesia sub-region therefore only population of this sub-region were considered in extrapolation to estimate the number of infected people we undertook several subgroup as well as univariate and multivariate meta-regression analyses to explore possible sources of heterogeneity and effects of socio-economic study characteristics geo-climatic parameters on the prevalence of ascaris infection in people."

"Declarations Ethics approval and consent to participateNot applicable. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding There was no funder for this study. The corresponding author had full access to all study data and final responsibility for the decision to submit for publication."