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. 2011 Nov 24;154(3):423–431. doi: 10.1007/s00701-011-1233-9

Table 1.

Mean age of symptomatic and asymptomatic men and women

Overall age (mean ± years) Male age (mean ± years) Female age (mean ± years) Total n (%)
Symptomatic and asymptomatic patients 69.9 ± 8.8 69.0 ± 8.8 70.4 ± 8.9 586 (100%)
Symptomatic 69.7 ± 8.8 69.2 ± 8.9 70.6 ± 9.5 439 (75%)
Asymptomatic 68.8 ± 8.5 68.5 ± 8.4 69.6 ± 7.1 147 (25%)