Table 2 Evolution of the average age of lithiasis in the Urology service of the University Hospital Center of Oran during the last five decades
From: Retrospective epidemiological study of urolithiasis in western Algeria over a period of 50 years
Variables | Periods | P | ||||
|---|---|---|---|---|---|---|
1965–1974 | 1975–1984 | 1985–1994 | 1995–2004 | 2005–2014 | ||
Avg ± SD | Avg ± SD | Avg ± SD | Avg ± SD | Avg ± SD | ||
Average age | 28.8 ± 21 | 34.1 ± 19.8 | 37.3 ± 19.9 | 42.6 ± 17.5 | 48.3 ± 16.8 | < 10–6 |