Objectives
|
Author | Infection(%) | Xray cases(%) | Bacillary cases(%) | Isoniazid resistance(%) | ||||
Prevalence | Incidence | Prevalence | Incidence | Prevalence | Incidence | Prevalence | Incidence | |
Seal et al(1954) | 38.9 | - | 1.55 | - | - | - | - | - |
ICMR 1959 | - | - | 2.00 | - | 0.4 | - | - | - |
Raj Narain et al 1963 | 38.3 | 2.0 | 1.9 | - | 0.41 | - | - | - |
NTI 1974 | 30.4 | 1.77 | - | - | 0.39 | 0.14 | 11% (of all cases) | 10% (of new cases) |
Goyal et 1978 | - | - | 1.72 | 0.3 | 0.4 | 0.1 | - | - |
TB PT | 50 | 3.0 | 2.3 | - | 1.0 | 0.25 | - | - |
Study | Rural/urban | Period of study | Age(years) | Screening method used | Prevalence per thousand |
New Delhi | Urban | 1962 | 5+ | Xray | 4.0 |
1977 | 5+ | Xray | 3.2 | ||
Tumkur | Rural | 1961 | 10+ | Xray | 4.1 |
1973 | 10+ | Xray | 4.4 | ||
Bangalore | Rural | 1975 | 5+ | Symptom&Xray | 3.2 |
Chingleput | Rural | 1968-71 | 10+ | Xray | 10.8 |
Madanapalle | Semi-urban | 1961 | 15+ | Xray | 9.3 |
Bangalore | Rural | 1961 | 5+ | Xray | 4.0 |
1977 | 5+ | Xray | 4.9 | ||
Wardha | Rural | 1982-88 | 5+ | Symptom | 1.8 |
Bangalore | Rural | 1984-86 | 10+ | Tuberculin test | 4.4 |
Raichur | Rural | 1988-89 | 15+ | Symptom | 10.9 |
North Arcot | Rural | 1989-90 | 15+ | Symptom | 4.3 |
15+ | Symptom&Xray | 7.9 |
The longitudinal epidemiological survey of National Tuberculosis Institute has provided information on age specific incidence rates.