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Table 2 Baseline characteristics: all-cause acute gastroenteritis: pre and post rotavirus vaccine introduction

From: The epidemiology of all-cause and rotavirus acute gastroenteritis and the characteristics of rotavirus circulating strains before and after rotavirus vaccine introduction in Yemen: analysis of hospital-based surveillance data

Variable No(%) Pre-vaccine period Post-vaccine period OR (95 % CI) P value
N = 3973 n = 1182 (post-vaccine cohort)  
Age group     
  < 12 months 2476(62.3) 694(58.7) 0.87(0.76–0.99) 0.042
 12–23 month 1042(26.2) 310 (26.2) 0.99(0.86–1.15 0.887
  > 23 months 455(11.5 178 (15.1 1.35(1.12–1.63) 0.001
 Females 1557 (39.2) 449 (38.0) 0.96(0.87–1.07) 0.456
 Males 2416 (60.8) 733 (62.0)   
 Vomiting 3495(88.0) 1101 (93.1) 1.65(1.34–2.04) <0.0001
 Febrile 2528(63.6) 533(45.1) 0.56(0.51–0.62) <0.0001
Age (months)     
 Mean(SD) 11.74(9.44) 12.93(11.20)   0.001
Duration of symptoms days     
 Mean(SD) 2.98(1.67) 3.33(1.58)   <0.0001
Diarrhea episodes/day     
 Mean(SD) 6.77(4.34) 5.57(3.41)   <0.0001
Diarrhea duration(days):     
 Mean (SD) 3.02(2.12) 3.40(1.89)   <0.0001
Hospital treatment (days)     
 Mean (SD) 2.23(1.67) 2.09(2.44)   0.690
 Severe dehydration 848/3902 (21.7) 168/1144 (14.7) 0.641(0.535–0.767) <0.0001
 Rotavirus gastroenteritis 1528/3676 (41.6) 233/1173 (19.9) 0.45(0.38–0.51) <0.0001
 Treatment outcome N = 3899 N = 1161   
 Successful treatment 3547(91.0) 957(82.4)   0.0001
 Deaths 27(0.7) 13(1.1)   0.177
 Referred for intensive care 60 (1.5) 8(0.7)   0.037
 Not known 265(6.8) 183(15.8)   0.0001