Research Article

A Novel Predictive Model in Recognizing Severe COVID-19 and Multiorgan Injuries: Platelet-to-CRP Ratio

Table 1

Baseline characteristics of included patients, stratified by PC ratio tertiles.

T1 (n = 25)T2 (n = 25)T3 (n = 26) value

Demographics
 Age (years)49.4 ± 11.143.3 ± 14.141.2 ± 11.90.058
 Male (%)14 (56.0)16 (64.0)12 (46.2)0.438
 M-S CT performance (%)21 (84.0)7 (28.0)4 (15.4)<0.001
 Highest temperature38.3 ± 0.638.2 ± 0.437.9 ± 0.80.039
 Pulse per minute93 ± 1292 ± 1191 ± 100.763
 Hypertension (%)10 (40.0)4 (16.0)4 (15.4)0.064
 Fatigue (%)15 (60.0)11 (44.0)11 (42.3)0.382
 Type II diabetes (%)2 (8.0)1 (4.0)1 (3.8)NA
 Hypertension (%)10 (40.0)4 (16.0)4 (15.4)0.064
GI manifestation
 Vomiting (%)7 (28.0)4 (16.0)2 (7.7)0.154
 Diarrhea (%)8 (32.0)7 (28.0)2 (7.7)0.081
 Initial GI involvement (%)12 (48.0)9 (36.0)3 (11.5)0.017
Respiratory manifestation
 Breath (times per minute) (%)0.466
  160 (0.0)0 (0.0)1 (3.8)
  170 (0.00)1 (4.0)0 (0.0)
  181 (4.0)1 (4.0)3 (11.5)
  192 (8.0)3 (12.0)0 (0.0)
  2016 (64.0)17 (68.0)20 (76.9)
  211 (4.0)1 (4.0)1 (3.8)
  224 (16.0)2 (8.0)0 (0.0)
  231 (4.0)0 (0.0)1 (3.8)
  Dyspnea (%)9 (36.0)4 (16.0)1 (3.8)0.012
  Cough (%)17 (68.0)17 (68.0)16 (61.5)0.853
Laboratory characteristics
 WBC count (10^9/l)4.21 ± 1.204.60 ± 1.694.54 ± 1.560.605
 Neutrophil count (10^9/l)2.99 ± 0.852.98 ± 1.412.82 ± 1.350.857
 Lymphocyte count (10^9/l)0.89 ± 0.371.21 ± 0.471.27 ± 0.600.017
 Hemoglobulin (g/l)133.64 ± 14.44140.00 ± 12.78135.81 ± 11.250.213
 Total protein (g/l)71.00 ± 6.7169.64 ± 4.6272.22 ± 5.680.284
 Globulin (g/l)31.45 ± 5.3028.04 ± 3.6529.69 ± 5.190.046
 Albumin (g/l)39.54 ± 3.6341.60 ± 3.7242.53 ± 2.270.005
 Lactic dehydrogenase (U/L)270.08 ± 83.58227.36 ± 69.01183.46 ± 56.63<0.001
 Creatinine (mmol/l)72.24 ± 19.1673.73 ± 16.5666.92 ± 12.810.299
 Alanine aminotransferase (U/L)37.24 ± 23.9429.64 ± 30.6223.62 ± 20.170.162
 Aspartate transaminase (U/L)41.84 ± 26.8931.64 ± 22.5524.65 ± 9.600.016
Total bilirubin (mmol/l)15.20 ± 9.4314.48 ± 9.3914.84 ± 6.530.957
 qRT-PCR on stool (%)6 (24.0)9 (36.0)2 (7.7)0.051

Note. qRT-PCR: quantitative real-time polymerase chain reaction; GI: gastrointestinal; PC ratio: platelet-to-C-reactive protein ratio; PC ratio tertile 1 ≤ 7.60; 7.60 PC ratio tertile 2 ≤ 25.44; PC ratio tertile 3 > 25.44. M-S CT performance: moderate-to-severe computed tomography performance. NA: not applicable. Data are presented as means ± SD, or n (%).