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Table 4 Incidence rate ratio of COVID-19 patients

From: Association of serum uric acid levels with COVID-19 severity

  UA Group Severe
COVID-19
Person-Days Incidence Rate Incidence Rate Ratio (95% CI)
Total High-UA (n = 45) 10 (22.2%) 323 0.031 0.84 (0.36, 1.98)
Low-UA (n = 45) 11 (24.4%) 423 0.026
Male High-UA (n = 19) 3 (15.8%) 152 0.020 4.05 (1.11, 14.72)
Low-UA (n = 20) 10 (55.0%) 123 0.081
Female High-UA (n = 25) 6 (24.0%) 257 0.023 0.26 (0.05, 1.29)
Low-UA (n = 26) 2 (7.7%) 313 0.006
  1. Notes: the cut-off point of total patients between high-UA and low-UA is 277 μmol /L (Median)
  2. the cut-off point of male patients between high-UA and low-UA is 334 μmol /L (Median)
  3. the cut-off point of female patients between high-UA and low-UA is 252 μmol /L (Median)
  4. Days referred to the time from admission to the severe period
  5. One patient was not analyzed because he was severe type at admission