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Table 2 Clinical characteristics of 165 children with rotavirus infection according to vaccination status excluding neonates and those incompletely vaccinated

From: Changing distribution of age, clinical severity, and genotypes of rotavirus gastroenteritis in hospitalized children after the introduction of vaccination: a single center study in Seoul between 2011 and 2014

Clinical Parameters Total Vaccinated Unvaccinated P value
(n = 165) (n = 19) (n = 146)
Ages, months 30.5 [19.8–53.8] 23 [18–29] 34.5 [20.8–57.8] 0.007
Modified Vesikari score 12 [11–13] 12 [11–13] 12 [11–13] 0.887
≥11, n (%) 129 (78.2) 16 (9.7) 113 (68.5) 0.500
Vomiting duration, h, n (%)     0.045
 0 13 (7.9) 4 9  
 1–24 132 (80.0) 14 118  
 25–48 16 (9.7) 1 15  
 ≥49 4 (2.4) 0 4  
Maximum number of episodes per 24-h, n (%)   0.012
 0 13 (7.9) 4 9  
 1 20 (12.1) 2 18  
 2–4 77 (46.7) 11 66  
 ≥5 55 (33.3) 2 53  
Diarrhea duration, h, n (%)     0.852
 0 23 (13.9) 1 22  
 1–96 135 (81.8) 18 117  
 97–120 3 (1.8) 0 3  
 ≥121 4 (2.4) 0 4  
Maximum number of episodes per 24-h, n (%),   0.175
 0 23 (13.9) 1 22  
 1–3 52 (31.5) 5 47  
 4–5 35 (21.2) 5 30  
 ≥6 55 (33.3) 8 47  
Fever, °C, n (%)     0.219
 ≤37.0 18 (10.9) 0 18  
 37.1–38.4 70 (42.4) 8 62  
 38.5–38.9 46 (27.9) 7 39  
 ≥39.0 31 (18.8) 4 27  
Visit to emergency room, n (%) 95 (57.6) 11 84 0.976
Seizure, n (%) 5 (3.0) 1 4 0.783
Total CO2, mmol/L 17 [14–19] 17 [14–20] 17 [14.8–19] 0.904