Research Article

A Randomized, Double-Blind, Multicenter Clinical Study Comparing the Efficacy and Safety of a Drug Combination of Lopinavir/Ritonavir-Azithromycin, Lopinavir/Ritonavir-Doxycycline, and Azithromycin-Hydroxychloroquine for Patients Diagnosed with Mild to Moderate COVID-19 Infections

Table 1

The baseline physical characteristics and clinical laboratory data of enrolled subjects who completed treatment during the study.

Total (n = 751)ControlABCDE value

Disease severity
 Mild, n (%)115 (96.6)120 (93.8)113 (91.1)113 (93.4)117 (90.0)116 (89.9)0.303
 Moderate, n (%)4 (3.4)8 (6.3)11 (8.9)8 (6.6)13 (10.0)13 (10.1)
Gender
 Male716 (95.3)113 (95.0)123 (96.1)119 (96.0)118 (97.5)119 (91.5)124 (96.1)
 Female35 (4.7)6 (5.0)5 (3.9)5 (4.0)3 (2.5)11 (8.5)5 (3.9)0.305
Age (in years)
 Median37#3737#36#3737#0.105
 Minimum233226322120
 Maximum554949515545
Laboratory examination
 Median AST (U/L, minimum–maximum)27 (13–69)25 (12–78)26 (12–78)25 (5–68)26 (13–65)26 (13–213)0.159
 Median ALT (U/L, minimum–maximum)34 (12–144)32 (16–142)33 (3–106)31 (14–141)36 (11–116)35 (7–337)0.317
 Median creatinine serum (mg/dL. minimum–maximum)0.96 ± 0.130.94 (0.68–1.34)0.96 ± 0.120.95 (0.77–1.51)0.98 ± 0.500.98 ± 0.120.712
 BUN level (mg/dL)10.7 ± 2.211.3 ± 1.811.1 (6.4–15.8)11.2 (7.2–18.6)11.1 ± 2.311.1 ± 2.1
 C-reactive protein (CRP)2.0 (0.1–69.1)1.5 (0.1–35.2)1.0 (0.1–32.4)1.5 (0.1–43.7)1.0 (0.0–77.3)1.2 (0.1–65.1)0.026
 D-dimer203 (99–1,085)166.5 (73–776)177 (84–981)176 (63–18,460)191 (75–4,474)180 (53–2,393)0.078

χ2 = 6.031; χ2 = 3.952; #significant difference from Group D. Control group: 1 × 500 mg azithromycin per day; Group A: 2 × 200/50 mg lopinavir/ritonavir + 1 × 500 mg azithromycin per day; Group B: 2 × 200/50 mg lopinavir/ritonavir + 2 × 100 mg doxycycline per day; Group C: 2 × 100 mg hydroxychloroquine + 1 × 500 mg azithromycin per day; Group D: 2 × 400/100 mg lopinavir/ritonavir + 1 × 500 mg azithromycin per day; Group E: 2 × 400/100 mg lopinavir/ritonavir + 2 × 100 mg doxycycline per day; AST: aspartate aminotransferase serum; ALT: alanine aminotransferase serum; BUN: blood urea nitrogen; D-dimer: fibrin degradation fragment.