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Table 1 Crude odds ratios (95% confidence interval (CI)) of ischemic stroke for self-perceived psychological stress

From: Self-perceived psychological stress and ischemic stroke: a case-control study

  Cases/controls Odds ratio (95% CI)
Never experienced stress 56/51 1.00 (reference)
Some period of stress 136/187 0.66 (0.43 to 1.03)
Some period of stress during the last 5 years 89/126 0.64 (0.40 to 1.03)
Several periods of stress during the last 5 years 159/183 0.79 (0.51 to 1.22)
Permanent stress during the last year 46/17 2.46 (1.26 to 4.83)**
Permanent stress during the last 5 years 80/29 2.51 (1.42 to 4.44)**
  1. **P < 0.01.