References | Location | Sample size | Study design Prevalence |
---|---|---|---|
Sachan et al. 2005 [31] | Lucknow (North ) | 207 | Cross-sectional 66.6% |
Farrant et al. 2009 [32] | Mysore (South ) | 559 | Cross-sectional 66.0% |
Sahu et al. 2009 [33] | Lucknow (North) | 139 | Cross-sectional 74.0% |
Marwaha et al. 2011 [7] | Delhi (North) | 541 | Cross-sectional 96.30% |
Jani et al. 2014 [9] | Mumbai (West ) | 150 | Cross-sectional 94.0% |
Singla et al. 2015 [34] | Chandigarh (North) | 304 | Prospective cohort 92.11% |
Ajmani et al. 2016 [35] | Delhi (North) | 200 | Cross-sectional 37.50% |
Sharma et al. 2016 [36] | Delhi (North) | 418 | Prospective cohort 34.54% |
Krishnaveni et al. 2011 [37] | Mysore (South) | 568 | Prospective cohort 66.0% |
Veena et al. 20162017 [38] | Mysore (South) | 468 | Prospective cohort 66.8% |
Nandal et al. 2016 [39] | Haryana (North) | 60 | Prospective cohort 93.75% |
Kumar et al. 2015 [40] | Bengaluru (South) | 106 | Prospective cohort 70.70% |
Chary et al.2015 2014 [41] | Hyderabad (South) | 153 | Prospective cohort 52.2% |
Dasgupta et al. 2012 [42] | Guwahati (North-East) | 50 | Cohort 42.00% |
Sablok et al. 2015 [43] | Delhi (North) | 165 | RCT 77.50% |