Table 2

Admission signs, symptoms and severity of illness on admission related to COVID-19 in hospitalised patients with and without an ID diagnosis

ControlsID groupP value of comparison
n (%)Nn (%)N
Cough972 (67.6)1438309 (64.6)4780.239
Cough with sputum production*285 (22.7)125458 (14.6)397<0.001
Cough with bloody sputum41 (3.3)12409 (2.3)3930.401
Fever1004 (69.6)1442335 (69.8)4801.000
Sore throat123 (10.4)118629 (8.0)3640.191
Runny nose*49 (4.2)11686 (1.7)3570.023
Wheezing94 (7.7)122841 (10.1)4070.145
Ear pain7 (0.6)11503 (0.8)3640.711
Chest pain*225 (17.8)126735 (8.7)404<0.001
Muscle aches*275 (23.1)119230 (8.4)357<0.001
Joint pain70 (6.1)114718 (5.1)3560.520
Fatigue511 (40.7)1254145 (37.5)3870.260
Shortness of breath*953 (67.3)1416274 (59.8)4580.004
Disturbance or loss of taste*51 (8.8)5783 (1.4)207<0.001
Disturbance or loss of smell*36 (6.1)5881 (0.5)212<0.001
Headache*177 (14.9)118420 (5.5)362<0.001
Altered consciousness or confusion*233 (17.6)1326124 (29.9)415<0.001
Seizures28 (2.2)129141 (9.9)415<0.001
Abdominal pain187 (14.6)128053 (13.2)4030.514
Vomiting and/or nausea*323 (24.3)132967 (15.7)426<0.001
Diarrhoea*279 (21.0)132758 (13.4)432<0.001
Conjunctivitis11 (0.9)12054 (1.0)3840.767
Lymphadenopathy10 (0.8)12060 (0.0)3900.131
Skin rash33 (2.7)12288 (2.0)3960.581
Skin ulcers19 (1.5)12316 (1.5)4011.000
Haemorrhage19 (1.5)12614 (1.0)4160.626
Requirement of oxygen therapy on admission*406 (28.9)1407170 (35.1)4840.011
Median respiratory rate (breaths per minute) on admission (IQR)**21 (10–50)140422 (10–48)4640.009
Mean clinical frailty score (SD)3.55 (2.17)4375.14 (1.89)175<0.0001
  • The number of patients in the ID group presenting with COVID-19 related symptoms on admission to hospital, compared with controls using Fisher’s exact test.

  • *Significant difference between the ID group and controls.

  • Significant differences between the ID group and controls are highlighted in bold.

  • **We excluded respiratory rate values that were below 10 or higher than 50 breaths per minute as such data were considered outliers.

  • ID, intellectual disabilities.