Table 4.
Linear Age Effect by Sex and Neurological Status on Admission
| Linear Age Effecta Adj. RR [95% CI] | Asymptomatic | Symptomatic | ||
|---|---|---|---|---|
| Men | Women | Men | Women | |
| Any stroke or death | 1.21 [1.11–1.32]b | 1.21 [1.07–1.38]b | 1.23 [1.14–1.32]b | 1.09 [0.98–1.20] |
| 1.21 [1.13–1.30]b | 1.16 [1.03–1.31]b | |||
| 1.19 [1.14–1.24]b | ||||
| Any stroke (alone) | 1.06 [0.96–1.17] | 1.10 [0.95–1.27] | 1.08 [1.00–1.17] | 0.96 [0.86–1.08] |
| 1.07 [0.99–1.17] | 1.03 [0.92–1.15] | |||
| 1.05 [1.00–1.11]b | ||||
| Death (alone) | 1.65 [1.40–1.93]b | 1.75 [1.36–2.25]b | 1.69 [1.47–1.96]b | 1.68 [1.37–2.06]b |
| 1.68 [1.46–1.92]b | 1.69 [1.50–1.90]b | |||
| 1.68 [1.54–1.84]b | ||||
Adjusted relative risk of increasing age as a continuous variable on the risk of any inhospital stroke or death, any stroke, and all‐cause death.
a
Per 10‐year increase, adj. RR=relative risk adjusted for American Society of Anesthesiologists category, ipsi‐ and contralateral degree of carotid stenosis, antiplatelet medication, pre‐ and postoperative assessment by a specialist in neurology, intraoperative neurophysiological monitoring, technique of carotid endarterectomy (CEA), anesthesia, shunting, intraoperative check of technical success, clamping time, and annual hospital CEA volume.
b
P<0.05.