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Table 2 Estimated daily percent increase in mortality (95% CI) associated with one standard deviation of z-score Kp index

From: Geomagnetic disturbances driven by solar activity enhance total and cardiovascular mortality risk in 263 U.S. cities

 

Total

CVD

MI

Stroke

Winter

0.13 (0.02,0.24)*

−0.04(− 0.22,0.13)

0.21(− 0.07,0.5)

−0.74(− 0.96,-0.51)****

Spring

0.31 (0.21,0.41)****

0.21 (0.05,0.37)**

0.4 (0.05,0.72)*

−0.03(− 0.4,0.33)

Summer

0.27 (0.16,0.37)****

0.15(−0.01,0.33)

0.14(−0.2,0.5)

−0.52(− 0.14,-0.9)**

Fall

0.31 (0.23,0.4)****

0.34 (0.23,0.44)****

0.7 (0.43,0.94)****

0.06(−0.3,0.4)

  1. *p-value < 0.05; **p < 0.001; ***p < 0.0001; ****p < 0.00001