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. 2021 Aug 5;10(8):754. doi: 10.3390/biology10080754

Figure 3.

Figure 3

(A,B) Post discharge follow-up: time to NT swab negativization and persistence of hyperglycaemia. Kaplan–Meier estimates of the time to NT swab negativization for 176 patients with COVID-19 pneumonia (A). NT swab negativization was estimated in patients with COVID-associated hyperglycaemia (n = 55) or pre-existing diabetes (n = 121). The log-rank test was used to test differences between groups. Crosses indicate censored patients (censoring for death or end of follow-up). Fasting blood glucose during the post discharge follow-up (B). Valid glucose measurements during follow up (median 6 month) was available for 61 out of 121 and 20 out of 55 patients with pre-existing diabetes or COVID-associated hyperglycaemia, respectively. NFG: normal fasting glucose, <5.6 mmol/L; IFG: impaired fasting glucose 5.6-6.9 mmol/L; DFG: diabetes fasting glucose ≥7 mmol/L.