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Table 1 Baseline information and quantitative CT characteristics

From: Quantitative CT for detecting COVID‑19 pneumonia in suspected cases

Characteristics COVID-19 (n = 9) Non-COVID-19 (n = 38) p
Age, years (Median [IQR]) 67.00 (19.00) 39.00 (21.50) < 0.001 *
#Female, n (%) 5.00 (55.56) 19.00 (50.00) 1.000
Time from initial symptom onset to first CT scan, days (Median [IQR]) 3.00 (4.00) 3.00 (4.50) 0.558
Infection volume (cm3), Median (IQR)
 Whole lung 208.70 (347.50) 46.20 (103.20) 0.017
 Left lung 29.50 (192.70) 15.75 (61.10) 0.417
 LUL 8.30 (71.55) 0.85 (13.13) 0.138
 LLL 21.60 (113.25) 3.95 (45.90) 0.329
 Right lung 146.60 (208.25) 6.85 (49.43) 0.003*
 RUL 15.60 (94.35) 0.20 (2.32) 0.022
 RML 2.20 (16.20) 0.20 (0.50) 0.019
 RLL 71.40 (149.30) 2.75 (31.03) 0.005*
Infection percentage (%), Median (IQR)
 Whole lung 6.40 (9.85) 1.10 (1.90) 0.016
 Left lung 1.80 (14.30) 0.75 (3.03) 0.283
 LUL 0.80 (6.65) 0.10 (1.08) 0.085
 LLL 4.00 (31.15) 0.40 (4.95) 0.167
 Right lung 5.10 (13.25) 0.35 (1.58) 0.002*
 RUL 2.10 (10.95) 0.00 (0.00) 0.005*
 RML 0.50 (5.55) 0.00 (0.00) 0.008*
 RLL 9.70 (27.10) 0.25 (2.15) 0.004*
  1. LUL  left upper lobe, LLL left lower lobe, RUL right upper lobe, RML right middle lobe, RLL right lower lobe
  2. Bold values are statistically significant (p < 0.05); *Indicate values of p < 0.01
  3. #Indicates Fisher’s Exact test; others indicate Mann–Whitney test