Among 174 patients, the median age is 59 (age range: 49-67) and 76 out of 174 are men. Compared with patients without diabetes, patients with diabetes had more cardiovascular disease (32.4% vs 14.6%) and less fever (59.5% vs 83.2%), but had no significant differences in gender and age. Diabetes group has lower lymphocytes, red blood cells, and hemoglobin than non-diabetes group. These data showed that the COVID‐19 patients with diabetes are at higher risk of excessive uncontrolled inflammation responses and hypercoagulable state, which may contribute to a poorer prognosis of COVID‐19. Diabetes should be considered as a risk factor for a rapid progression and bad prognosis of COVID‐19. More intensive attention should be paid to patients with diabetes, in case of rapid deterioration

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