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Table 1 Sex distribution of urolithiasis patients between 1965 and 2014 by decade

From: Retrospective epidemiological study of urolithiasis in western Algeria over a period of 50 years

Periods Sex P
Male Female Sex-ratio (H/F)
Number % Number %
1965–1974
N = 189 (4.7%)
142 75.5 46 24.5 3.09 < 0.01 chi-square calculated value = 14,4927 (DF = 4)
1975–1984
N = 712 (17.8%)
504 72.1 195 27.9 2.58  
1985–1994
N = 957 (24%)
619 66.4 313 33.6 1.98  
1995–2004
N = 1040 (26.1%)
691 66.6 347 33.4 1.99  
2005–2014 N = 1091 (27.4%) 696 64.5 383 35.5 1.82