However, it is consistent with the prediction of roughly equal prevalence of BRCA1 and BRCA2 mutations, based on a survey of very early onset breast cancers (Peto et al, 1999).
The Cerca lake has an intermediate water geochemistry between the studied lakes and an equal prevalence of Solodized Solonetzes and Solods.
Kato-like strains were found to be predominant in the South and Northeast, whereas an equal prevalence of Karp-like and Kato-like strains was observed in Northern India.
The only previous study that has attempted to answer this question reported that AS patients experienced over twice the prevalence of anxiety and an equal prevalence of depression as radically treated patients.
The site of primary tumor was most commonly the lower extremity (44%); there was an equal prevalence of upper extremity (28%) and retroperitoneal (28%) tumors.
Moreover, Garlet et al. [ 15] observed equal prevalence of OPG expression in periodontitis patients and control, even a more intense expression was detected in the diseased group.
Similarly, Mahmood, Romans and Silverstone [ 36] found, in a sample of bipolar patients, an almost equal prevalence of migraine in men (25%) and women (27%).
If this is true, it could be that empty-nesters should experience at least as equal prevalence of non-use of health care as non-empty-nesters.
However, Tan et al 21 obtained a near equal prevalence of moderate/severe acne (48.6%) and mild acne (51.4%) in Singaporean adolescents.
According to Hirata et al. [ 5] orthodontic treatment does not always lead to the achievement of a muscular balance, indeed they show that there is an equal prevalence of dysfunctions in patients treated orthodontically and untreated controls.
