Table 3

Differences between patients in various conditions

VariableOrdinary (n=182)
n (%)
Severe (n=284)
n (%)
Critical (n=75)
n (%)
P value
Male75 (41.2)135 (47.5)45 (60.0)0.023
Age
 Mean (SD)49.26±16.1360.35±15.4067.57±13.84<0.001
 ≤4063 (34.6)37 (13.0)5 (6.7)
 40–6070 (38.5)82 (28.9)16 (21.3)
 60–8045 (24.7)142 (50.0)41 (54.7)
 >804 (2.2)23 (8.1)13 (17.3)
Respiratory system disease12 (6.6)20 (7.0)13 (17.3)0.010
Malignant tumour1 (0.5)9 (3.2)2 (2.7)0.149
Endocrine system disease13 (7.1)38 (13.4)11 (14.7)0.077
Urinary system disease6 (3.3)10 (3.5)5 (6.7)0.402
Cardiovascular diseases28 (15.4)76 (26.8)40 (53.3)<0.001
Hypertension23 (12.6)67 (23.6)35 (46.7)<0.001
Coronary heart disease5 (2.7)22 (7.7)14 (18.7)<0.001
Abnormal heart rhythms3 (1.6)4 (1.4)5 (6.7)0.037
Cerebrovascular disease0 (0)6 (2.1)2 (2.7)0.070
Leucocytes <3.5×10⁹/L16 (8.8)33 (11.6)5 (6.7)0.368
Leucocytes >9.5×10⁹/L15 (8.2)24 (8.5)29 (38.7)<0.001
Haemoglobin <115.0 g/L41 (22.5)123 (43.3)29 (38.7)<0.001
Lymphocytes <1.1×10⁹/L63 (34.6)169 (59.5)64 (85.3)<0.001
C reactive protein >10.0 mg/L92 (50.5)225 (79.2)69 (92.0)<0.001
Albumin <40.0 g/L117 (64.3)212 (74.6)68 (90.7)<0.001
Lactate dehydrogenase >250.0 U/L54 (29.7)165 (58.1)64 (85.3)<0.001
Aspartate aminotransferase >35.0 U/L33 (18.1)83 (29.2)33 (44.0)<0.001
Alanine aminotransferase >40.0 U/L34 (18.7)76 (26.8)24 (32.0)0.042
Serum creatinine >81.0 μmol/L10 (5.5)31 (10.9)23 (30.7)<0.001
Death5 (2.7)13 (4.6)35 (46.7)<0.001