Chronological Variation in Chemical Composition of Urinary Calculi Between 1965–68 and 1982–86 in North-Western India
The incidence of urinary calculi is related to diet and the standard of living. In India, the per capita annual income increased from 558.8 rupees in 1965–66 to 748.6 rupees in 1983–84. The total food grain production increased from 82 million tons in 1960–61 to 152 million tons in 1983–84. Furthermore, the plan investment on health care increased from 652 million rupees (US $43.5 million) in the first five-year plan (1951–52 to 1955–56) to 18,211 million rupees (US $1214 million) in the sixth fiveyear plan (1980–81 to 1984–85). The aim of the present study was to investigate the influence of such improvements in health care and nutrition on the occurrence of various types of urinary stones in North-Western India.
KeywordsMagnesium Income Oxalate Xanthine
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