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Table 4 Prevalence of rotavirus strains before and after 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

Rotavirus strain Post vaccination Pre vaccination % Proportion difference(95 % CI) P value
  No(%) No(%)   
Total strains 48 80   
 G1 16(33.3) 33(41.3) −7.92 % (−25.1; 9.2) 0.366
 G2 2(4.17) 34(42.5) −38.33 % (−50.6; −26.1) <0.0001
 G9 14(29.2) 5 (6.3) 22.9 % (9.0; 36.8) 0.001
 G mixa 10(20.8) 5 (6.3) 14.6 % (2.0; 27.4) 0.013
 P[4] 7(14.6) 27(33.8) −19.2 % (−33.6; −4.8) 0.009
 P[8] 25 (52.1) 21(26.3) 25.8 % (8.7; 42.9) 0.003
 P{mix]b 11(22.9) 6(7.5) 15.4 % (2.2; 28.6) 0.013
G-P combination     
 G1P[8] 14/16(87.5 %) 15/33(45.5 %) 42.0 % (18.6; 65.5) <0.0001
 G2P[4] 2/2 (100) 26/34(76.5 %) 23.5 (9.3; 37.8) 0.001
 G9P[8] 8/14(57.1) 0 -  
 G9P[4] 2/14 (14.3) 0 -  
  1. G mixa, G1G3;G2G9;G3G9, G1G2
  2. P [mix]b, P[4]P[8];P[6]P[8];P[8]P[10], P[4]P[8]