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Table 1 Clinical data characteristics of three age groups of COVID-19 patients

From: Clinical and CT findings of COVID-19: differences among three age groups

GroupsAll patients (n = 307)Age < 40 Y (n = 104)40 Y ≤ Age <60 Y (n = 137)60 Y ≤ Age (n = 66)P1(G1 & G2)P2(G1 &G3)P3(G2 &G3)
CBI
 Sex (male, %)156 (50.8%)53 (51%)72 (52.6%)31 (47%)0.8060.6120.456
 Age (M ± SD, Y) (Rang, Y)46.2 ± 17.11 (1 ~ 89)2.3 ± 8.35 (1 ~ 39)49.3 ± 5.35 (40 ~ 59)69.3 ± 8.51 l(60 ~ 89)///
HD
 Hypertension31 (10.1%)016 (11.7%)15 (22.7%)<0.001<0.0010.040
 Diabetes15 (4.9%)09 (6.6%)6 (9.1%)0.0200.0070.721
 Hepatitis B8 (2.6%)1 (1%)7 (5.1%)00.1561.0000.145
 COPD3 (1%)003 (4.5%)1.0000.0580.110
Clinical symptoms
 Fever301 (98%)100 (96.2%)135 (98.5%)66 (100%)0.4470.2740.820
 Cough239 (77.9%)79 (76%)101 (73.7%)59 (89.4%)0.6920.0290.010
 Fatigue51 (16.6%)13 (12.5%)23 (16.8%)15 (22.7%)0.3550.0800.310
 Sore throat37 (12.1%)14 (13.5%)14 (10.2%)9 (13.6%)0.4530.9550.472
 Chest tightness or pain34 (11.1%)6 (5.8%)12 (8.8%)16 (24.2%)0.382<0.0010.003
 Dizziness or pain28 (9.1%)8 (7.7%)13 (9.5%)7 (10.6%)0.6240.5140.802
 Aching muscles27 (8.8%)5 (4.8%)15 (10.9%)7 (10.6%)0.0870.2580.941
 Hyperpnea21 (6.8%)3 (2.9%)10 (7.3%)8 (12.1%)0.1330.0390.258
Nasal stuffiness20 (6.5)8 (7.7%)11 (8%)1 (1.5%)0.9230.1610.127
 Others#8 (2.6%)2 (1.9%)3 (2.2%))3 (4.5%)1.0000.6030.627
LE
 CRP increase182 (59.3%)47 (45.2%)93 (67.9%)42 (63.6%)<0.0010.0190.548
 LY% abnormal148 (48.2%)35 (33.7%)6↑71 (51.8%)1↑42 (63.6%)0.005<0.0010.113
 NEUT% abnormal95 (30.9%)21 (20.2%)5↓43 (31.4%)3↓31 (47%)0.051<0.0010.031
 MO% abnormal70 (22.8%)31 (29.8%)2↓33 (24.1%)6 (9.1%)0.3190.0010.011
 WBC% abnormal60 (19.5%)19 (18.3%)2↑21 (15.3%)4↑20 (30.3%)9↑0.5430.0690.013
 Clinical types    0.002<0.0010.015
 Mild/Moderate259 (84.6%)100 (96.2%)114 (83.2%)45 (68.2%)   
 Severe/Critical48 (15.6%)4 (3.8%)23 (16.8%)21 (31.8%)   
 HEE114 (37.1%)49 (47.1%)56 (40.9%)9 (13.6%)0.333<0.001<0.001
  1. Note: Y years, G1 Age<40 Y, G2 40 Y ≤ Age<60 Y, G3 60 Y ≤ Age, CBI Clinical baseline information, COPD chronic obstructive pulmonary disease, HD History of disease, LE laboratory examination; CRP: C-reactive protein (normal: 0 ~ 10 mg/); WBC: white blood cell (normal: 3.5 ~ 9.5 × 109), Ly lymphocyte (normal: 20% ~ 40%), Mo monocyte (normal: 3 ~ 10%), NEUT neutrophil (normal: 40% ~ 75%), HEE history of epidemiological exposure, Others* Major diseases or surgical history, Others# diarrhoea or vomiting