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 | |