Epidemiological Differentials of Hepatitis B Carrier State in the Army : A Community Based Sero-epidemiological Study

Cariappa, M.P.; Jayaram, J; Bhalwar, Rajvir; Praharaj, Ashok Kumar; Mehta, Vinod; Kapur, LK

doi:10.1016/s0377-1237(04)80057-1

Cited by 7 publications

(8 citation statements)

References 4 publications

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“…9 A study conducted on Armed Forces population has found highly significant association of HBV positivity with having indulged in sex with CSWs and taking injections in civil set up. 4 …”

Section: Methodsmentioning

confidence: 99%

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A study of seroprevalence of hepatitis B and hepatitis C among troops in Armed Forces

Suryam

Kathuria²,

Karunakaran³

2011

Medical Journal Armed Forces India

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error taken at 5% and expected deviation as 1% for HBV and 0.5% for HCV, a minimum sample size of 1120 for HBV prevalence study and 1521 for HCV prevalence study was obtained. The sample was selected from the study population of army units located in the same station by the method of multistage random sampling.A detailed questionnaire was developed to study the risk factors for transmission of HBV and HCV infections and was administered to all serving personnel during sample collection. RESULTSA total of 1511 samples were collected from serving soldiers and all of these, were tested for HBsAg and anti-HCV.HBV: Overall point prevalence of HBsAg positivity in serving soldiers was found to be 1.25% (95% CI = 0.69%-1.81%).HCV: Of the 1151 samples tested for anti-HCV, not even one tested positive.Questionnaire on likely risk factors of HBV infection were administered to 1511 serving soldiers; completed questionnaires were received from 1262 persons and these were used for analysis of results.Mean age of the responders was 31.3 years with SD of 5.3 (range 19-46 years). Around 97% responders were personnel below officer rank and 95.6% were educated more than primary level (Table 1).History of having taken injections from civil medical practitioners was observed to be a highly significant risk factor (P < 0.001) with OR = 10.22 (95% CI = 3.29-30.68), thus indicating that injections from civil increased the risk of infection by ten times (Table 2). Past history of surgery (OR = 5.24), undergoing dental procedure (OR = 3.17), habit of sharing razors (OR = 9.09) were observed to have increased risk of HBV infection with, however the risk was not statistically significant in the study group. DISCUSSIONFindings of the study indicate that over all seroprevalence of HBV infection among population of Armed Forces was 1.25%. This is lower than 2.4% calculated as true prevalence in non-tribal

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“…9 A study conducted on Armed Forces population has found highly significant association of HBV positivity with having indulged in sex with CSWs and taking injections in civil set up. 4 …”

Section: Methodsmentioning

confidence: 99%

“…4,5 Hence there was a perceived need to undertake a study on an adequately large and representative sample of army personnel and their dependants, with a view to obtain a picture of frequency and distribution of HBV and HCV in the Armed Forces population.…”

Section: Introductionmentioning

confidence: 99%

A study of seroprevalence of hepatitis B and hepatitis C among troops in Armed Forces

Suryam

Kathuria²,

Karunakaran³

2011

Medical Journal Armed Forces India

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“…18 One community-based study, however, found a seroprevalence rate of 7.9%. 19 While these data were surprisingly high, the sample size was relatively smaller (n = 1506) and it included personnel serving in the Army Medical Corps. Moreover, this study with an unusually high HBV prevalence was undertaken between 1997 and 1999.…”

Section: Hepatitis Bmentioning

confidence: 99%

Viral hepatitis in India: Armed Forces perspective

Puri

Sharma

Nagpal

2016

Medical Journal Armed Forces India

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“…However maximum sufferers with severe hepatitis sooner or later were recovering completely. In a few patients, the ailment turns into chronic and is referred to as chronic hepatitis [9]. Human beings with persistent hepatitis may also revel in mild, indistinct symptoms of fatigue and poor urge for food.…”

Section: Introductionmentioning

confidence: 99%

Control and simulation impact on nonlinear Hepatitis-B model by using Padé-approximation based Differential Evolution

Farman

Tabassum

Saeed

et al. 2019

Preprint

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Hepatitis B is the main public health problem of the whole world. In epidemiology, mathematical models perform a key role in understanding the dynamics of infectious diseases. This paper proposes Padé approximation ( ) with Differential Evolution ( ) for obtaining solution of Hepatitis-B model which is nonlinear numerically. The proposed strategy transforms the nonlinear model into optimization problem by using Padé approximation. Initial conditions are converted into problem constraints and constraint problem become unconstraint by using penalty function.is obtained numerical solution of Hepatitis-B model by solving the established problem of optimization. There is no need to choose step lengths in proposed Padéapproximation based Differential Evolution ( ) technique and also converges to true steady state points. Finally, a convergence and error analysis evidence that the convergence speed of is greater than Non-Standard Finite Difference ( ) method for different time steps.

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Epidemiological Differentials of Hepatitis B Carrier State in the Army : A Community Based Sero-epidemiological Study

Abstract: The relatively high level of seroprevalence among recruits has led to certain recommendations on testing and further studies in specific groups, based on the findings of the study.

Cited by 7 publications

References 4 publications

A study of seroprevalence of hepatitis B and hepatitis C among troops in Armed Forces

A study of seroprevalence of hepatitis B and hepatitis C among troops in Armed Forces

Viral hepatitis in India: Armed Forces perspective

Control and simulation impact on nonlinear Hepatitis-B model by using Padé-approximation based Differential Evolution

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