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Table 1 Clinical characteristics of 179 children with rotavirus infection including age, vaccination status and clinical severity

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 <3 month 3–23 months 24–59 months ≥60 months P value*
(n = 179) (n = 12) (n = 59) (n = 73) (n = 35)
Ages, months 30 [17.0–50.0] 0.85 [0.6–2.0] 16.5 [12.0–21.5] 37.5 [29.3–45.00] 80.5 [71.5–100.5]  
Vaccination status, n (%)       
 complete 19 (10.6) 0 10 9 0 0.09
 rotateq 14 0 10 4 0 0.007
 rotarix 5 0 0 5 0 0.179
 incomplete 6 4 1 1 0  
Modified Vesikari score 12 [11–13] 9 [8.25–12] 12 [11–13] 12 [11–13] 12 [10–13] 0.565
 ≥11, n (%) 135 (75.4) 4 (33.3) 47 (79.7) 58 (79.5) 26 (74.3) 0.777
Vomiting duration, h, n (%)      0.007
 0 21 (11.7) 7 8 5 1  
 1–24 137 (76.5) 4 50 57 26  
 25–48 17 (9.5) 1 0 9 7  
 ≥49 4 (2.2) 0 1 2 1  
Maximum number of episodes per 24-h, n (%)     0.036
 0 21 (11.7) 7 8 5 1  
 1 21 (12.1) 1 7 9 4  
 2–4 81 (45.3) 3 30 33 15  
 ≥5 56 (31.3) 1 14 26 15  
Diarrhea duration, h, n (%)      
 0 24 (13.4) 1 4 15 4 0.042
 1–96 148 (82.7) 11 51 55 31  
 97–120 3 (1.7) 0 2 1 0  
 ≥121 4 (2.2) 0 2 2 0  
Maximum number of episodes per 24-h, n (%),     0.021
 0 24 (13.4) 1 4 15 4  
 1–3 57 (31.8) 4 16 22 15  
 4–5 39 (21.8) 4 15 12 8  
 ≥6 59 (33.0) 3 24 24 8  
Fever, °C, n (%)       0.791
 ≤37.0 21 (11.7) 3 4 10 4  
 37.1–38.4 76 (42.5) 6 27 28 15  
 38.5–38.9 49 (27.4) 1 18 20 10  
 ≥39.0 33 (18.4) 2 10 15 6  
Visit to ER, n (%) 105 (58.7) 7 34 49 15 0.838
Seizure, n (%) 6 (3.4) 1 2 3 0 0.614
Total CO2, mmol/L 17 [15.0–19.0] 20.5 [17.0–23.5] 16 [14.0–18.0] 17 [15.0–9.0] 18 [16.0–21.0] 0.031
  1. *children between 3 and 23 month compared to those more than 24 months