Table 3 Annual change in compositional percentage of main genotypes
From: Genotypic prevalence of norovirus GII in gastroenteritis outpatients in Shanghai from 2016 to 2018
Genotype | Number/Percentage (%) | ||||
|---|---|---|---|---|---|
2016 | 2017 | 2018 | Total | χ2 (P-value) | |
GII.Pe/GII.4 | 137 (48.41%) | 107 (35.67%) | 44 (22.92%) | 288 (37.16%) | 32.31 (< 0.05) |
GII.P17/GII.17 | 82 (28.98%) | 76 (25.33%) | 40 (20.83%) | 198 (25.55%) | 4.00 (= 0.14) |
GII.P16/GII.2 | 5 (1.77%) | 81 (27.00%) | 45 (23.44%) | 131 (16.90%) | 73.77 (< 0.05) |
GII.P12/GII.3 | 14 (4.95%) | 16 (5.33%) | 23 (11.98%) | 53 (6.84%) | 10.62 (< 0.05) |
GII.P7/GII.6 | 7 (2.47%) | 4 (1.33%) | 16 (8.33%) | 27 (3.48%) | 18.41 (< 0.05) |
Others | 38 (13.43%) | 16 (5.33%) | 24 (12.5%) | 78 (10.06%) | 12.21 (< 0.05) |
Total | 283 (36.52%) | 300 (38.71%) | 192 (24.77%) | 775 (100.00%) | |