The evidence of the effectiveness of the oral immunostimulant OM-89 is promising. Although sometimes statistically significant, pooled findings for the other interventions should be considered tentative until corroborated by more research. Large head-to-head trials should be performed to optimally inform clinical decision making.

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was aimed at discerning the relationships between the FVC variables, gender and age. RESULTSThere was a linear increase in mean 24-h voiding frequency and nocturia in men, from 6.0 and 0.5 in the third decade to 8.5 and 1.6 in those aged > 70 years. Contrary to men, in women the mean 24-h frequency declined slightly in the older decades; it increased from 6.9 in the third to 8.2 in the sixth, declining to 7.8 in those aged > 70 years. Nocturia in women increased linearly, although slower than in men, from 0.7 in the third decade to 1.4 in those aged > 70 years. The mean volume/void decreased significantly in both genders, from 313 to 209 mL in men, and from 274 to 240 mL in women. The mean 24-h volume was 1718 and 1762 mL in men and women, respectively. For both genders there was a strong linear association between 24-h urine production and voided volumes. CONCLUSIONThe volume/void and maximum voided volume decreased significantly with age in both sexes, but more prominently in men. As a result, in men the frequency increased with age, probably reflecting subclinical changes associated with the development of prostatic enlargement. In contrast to men the frequency in women increased initially and decreased in the older groups. A higher 24-h urine production was associated with a higher mean volume/void.

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