Table 2

Characteristics of patients with COVID-19, overall and according to the level of acuity (N=699)

OverallAcuity care levelP value
LowIntermediateHigh
n=352 (50.4%)n=297 (42.5%)n=50 (7.2%)
N (%)n (%)n (%)
Mean (SD) age54.5 (15.4)50.7 (16)59 (14)56 (11)<0.001
Age group (in years)
 18–3060 (8.6)48 (13.6)11 (3.7)1 (2)
 31–4076 (10.9)49 (13.9))22 (7.4)5 (10)
 41–50128 (18.3)76 (21.6)42 (14.1)10 (20)
 51–60178 (25.5)78 (22.2)84 (28.3)16 (32)
 61–70151 (21.6)61 (17.3)77 (25)13 (26)
 >70106 (15.2)40 (11.4)61 (20.5)5 (10)<0.001
Sex
 Male473 (67.7)233 (66.2)204 (68.7)36 (72)
 Female226 (32.3)119 (33.8)93 (31.3)14 (28)0.6
Comorbidity
 Diabetes236 (33.8)92 (26.1)126 (42.4)18 (36)<0.001
 Hypertension219 (31.3)100 (28.4)104 (35.0)15 (30)0.1
 Ischaemic heart disease84 (12)24 (6.8)47 (15.8)13 (26)<0.001
 Chronic lung disease39 (5.6)19 (5.4)18 (6.1)2 (1)0.8
 Required non-Invasive ventilation159 (22.7)18 (5.1)*128 (43.1)13(26)<0.001
 Required invasive ventilation64 (9.2)7 (2)†28 (9.4)†29 (58)<0.001
 Case fatality ratio81 (11.6)7 (2)48 (16.2)26 (52)<0.001
 Mean length of stay (SD)7.26 (6.3)5.3 (5.3)8.3 (5.7)14.2 (9.1)<0.001
 Median length of stay (IQR)6 (3–9)4 (2–7)7 (4–11)12 (8–19)<0.001
  • *Shifted to higher care later or applied with palliative intent.

  • †Patients were moved to a high acuity level during their stay if they required invasive ventilation; the acuity level on admission was used in the analysis.