Female sex was associated with significantly greater stroke severity at onset compared to men (mean NIHSS 10 vs 8, P<0.001) and a higher prevalence of atrial fibrillation (29% vs 21%, P=0.003).
Observational (n=1,272)
Yes
Are there sex differences in clinical presentation, severity, and outcome of stroke?
Women presenting with stroke are significantly older, have more severe strokes at onset, and have a higher prevalence of atrial fibrillation compared to men.
Absolute Event Rate: 10% vs 8%
p-value: p=<0.001
BACKGROUND AND PURPOSE: Sex related differences in cardiovascular disease and stroke are issues of increasing interest. The aim of this study was to evaluate for sex differences in clinical presentation, severity of stroke and outcome in a population of patients admitted to 4 public and 1 private hospitals in three different regions of Italy. METHODS: All hospital admissions for ischemic and haemorrhagic stroke (ICD-IX code 434 and 431 respectively) between January 1st and December 31st, 2011 at five different hospitals located in three different regions of Italy: Milan (North), Rome and Perugia (Center), and Palermo (South) have been recorded and sex-differences have been evaluated. RESULTS: A total of 1272 stroke patients were included in the analysis: 1152 ischemic and 120 haemorrhagic strokes, 567 women and 705 men. Compared to men, women were significantly older (mean age 75.2 SD 13.7 vs 71.5 SD 12.5 years, P<0.001) and their stroke severities at onset, measured by NIHSS, were also compared to men (10 SD 8 vs 8 SD 7, P<0.001). Female sex was associated with a worse functional prognosis measured by modified Rankin Scale score (mRS≥3), as well as in-hospital mortality, without reaching statistical significance. There were no observed significant differences between sexes regarding the number of patients treated with thrombolytic therapy. Analysis of the distribution of risk factors between sexes showed a prevalence of atrial fibrillation in women (29% vs 21%, P=0.003). CONCLUSIONS: Both stroke severity and functional outcome were worse in women.
Santalucia et al. (Sat,) conducted a observational in Ischemic and haemorrhagic stroke (n=1,272). Female sex vs. Male sex was evaluated on Stroke severity at onset (NIHSS) (p=<0.001). Female sex was associated with significantly greater stroke severity at onset compared to men (mean NIHSS 10 vs 8, P<0.001) and a higher prevalence of atrial fibrillation (29% vs 21%, P=0.003).
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