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  • Title: [Differences in clinical and polysomnographic variables between male and female patients with sleep apnea-hypopnea syndrome].
    Author: Roure N, Mediano O, Durán-Cantolla J, García Río F, de la Peña M, Capote F, Terán J, Masa JF, Gozal D, Barbé F.
    Journal: Arch Bronconeumol; 2008 Dec; 44(12):685-8. PubMed ID: 19091238.
    Abstract:
    OBJECTIVE: The aim of this study was to compare the clinical, anthropometric, and polysomnographic characteristics of a broad group of patients with sleep apnea-hypopnea syndrome according to sex. PATIENTS AND METHODS: The study, conducted in 6 Spanish university hospitals, included consecutive patients attended from 2003 through 2005 with an apnea-hypopnea index greater than 5. Groups were formed according to sex and then stratified into age subgroups of younger (< or = 45 years) and older patients (> 45 years) for further comparison. RESULTS: The study included 2464 men and 424 women. Women were older (mean [SD] age, 56 [12] years vs 51 [12] years), weighed more (body mass index, 31 [6] kg/m(2) vs 30 [5] kg/m2), and had a larger hip circumference (119 [15] cm vs 111 [12] cm) and smaller neck circumference (38 [3] cm vs 42 [9] cm) than men (P< .001 in all cases). The degree of daytime sleepiness (Epworth scale) and the apnea-hypopnea index were similar in both groups, although women had a longer sleep latency (23 [28] minutes vs 27 [32] minutes; P< .004) and a higher mean oxygen saturation (92% [4%] vs 91% [5%]) and minimum oxygen saturation (78% [11%] vs 75% [12%]; P< .0001) than men. On stratification by age, only weight differences between men and women were observed in the younger group whereas the older group also showed differences in oxygen saturation during sleep. CONCLUSIONS: Women with sleep apnea-hypopnea are more overweight than men and tend to seek medical attention at an older age. The clinical and polysomnographic variables were generally similar for men and womenthe only differences were that sleep latency was longer and hypoxemia during sleep was more accentuated in women.
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