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. 2020 May 13;17(10):3398. doi: 10.3390/ijerph17103398

Table 4.

Chi-square data and significance values for eye strain, stroke, vertigo, hyperuricemia, circulatory failure, atrial fibrillation, and respiratory failure.

Medical Condition Chi-Square df Sig.
Eye strain 4.714 1 0.030 *
Ictus 2.749 1 0.097 *b
Vertigo 6.664 1 0.010 *
Hyperuricemia 1.228 1 0.268
Circulatory insufficiency 4.238 1 0.040 *
Atrial fibrillation 0.977 1 0.323
Respiratory failure 17.786 1 0.000 *

* The Chi-square statistic is significant at the level 10. b More than 20% of the cells in this subtable had predicted cell counts less than 5. The Chi-square results may not be valid.