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Table 1 Basic characteristics

From: Derivation and validation of a prognostic model for predicting in-hospital mortality in patients admitted with COVID-19 in Wuhan, China: the PLANS (platelet lymphocyte age neutrophil sex) model

  Derivation cohort (n = 1008) Validation cohort (n = 1031)
Age, years 55 (44–65) 63 (52–70)
Sex, female 439 (43.6%) 493 (47.8%)
Current smoke status* 57 (10.5%)
Neutrophil count, × 109/L 4.40 (2.79–6.96) 3.90 (2.78–5.68)
Lymphocyte count*, × 109/L 0.95 (0.61–1.34) 1.07 (0.70–1.49)
Platelet count*, × 109/L 194 (145–256) 219 (164–288)
Haemoglobin*, g/L 126 (115–138)
Chronic pulmonary disease 40 (4.0%)
Hypertension 232 (23.0%) 383 (37.1%)
Coronary heart disease 32 (3.2%) 83 (8.1%)
Diabetes 110 (10.9%) 189 (18.3%)
Thyroid disease 31 (3.1%)
Chronic digestive disease 78 (7.7%)
Cerebrovascular disease 22 (2.2%)
Chronic kidney disease 25 (2.5%)
Malignancy 31 (3.1%)
  1. *Current smoke status was missing in 467 (46.3%) patients in the derivation cohort, lymphocyte count was missing in 1 patient in the validation cohort, platelet count was missing in 2 patients in the validation cohort, and haemoglobin was missing in 376 (37.3%) patients in the derivation cohort