Table 6.

Prevalence across various regions in India

Studies	Region	Prevalence
Swaminathan et al.[19]	Telangana	5.4% (0%-11%)
Swaminathan et al.[19]	Kerala	4.5%
Seshiah et al. (2004)[20]	Trivandrum	(2.4%-6.7%)
Seshiah et al. (2004)[20]	Alwaye	15.0% 21.0%
Swaminathan et al.[19]	West Bengal	2.3% (0.8%-3.8%)
Swaminathan et al.[19]	Assam	0.23% (0%-0.48%)
Swaminathan et al.[19]	Mizoram	0.16% (0-0.49%)
Nielsen et al.[21]	Tamil Nadu	16.3%
Seshiah et al. (2004)[20]	Erode	18.8%
Seshiah et al. (2004)[20]	Ludhiana	17.5%
Siddiqui et al.[22]	Delhi	14.0%
Swami et al.[23]	Maharashtra	7.7%
Nayak et al.[24]	Pondicherry	27%
Rajput et al.[25]	Haryana	7.1%