Retrospective Study
Copyright ©The Author(s) 2022.
World J Clin Cases. Nov 6, 2022; 10(31): 11358-11370
Published online Nov 6, 2022. doi: 10.12998/wjcc.v10.i31.11358
Table 1 Incidence, severe illness, mortality, and etiological results of hand, foot, and mouth disease cases in 2016-2020 of Shiyan, central China, n (%)
CharacteristicsYear
2016
2017
2018
2019
2020
Total cases104735405851399971452
Incidence rates (/100000)308.63158.05247.78292.4842.73
Laboratory-detected cases660530700530146
Laboratory-confirmed cases36736351837072
Severe cases10210
Fatal cases20000
Etiological results
EV-A71167 (45.5)9 (2.5)0 (0.0)1 (0.3)0 (0.0)
CV-A16125 (34.1)43 (11.8)316 (61.0)56 (15.1)2 (2.8)
Other enteroviruses75 (20.4)311 (85.7)202 (39.0)313 (84.6)70 (97.2)
Table 2 Logistic regression analysis on the effect of predominant enterovirus serotypes in 168 laboratory-confirmed hand, foot, and mouth disease cases in Shiyan, central China, n (%)
HFMD pathogens
Univariate analysis
Multivariate analysis
CV-A6 (n = 121)
CV-A16 (n = 8)
CV-A10 (n = 5)
Other enteroviruses (n = 34)
P value
Coefficient (SD)
P value
Gender1-0.224 (0.451)0.619
Male (n = 105)76 (62.8)5 (62.5)4 (80.0)20 (58.8)
Female (n = 63)45 (37.2)3 (37.5)1 (20.0)14 (41.2)
Age (yr)0.794
≤ 1 (n = 91)65 (53.7)4 (50.0)3 (60.0)19 (55.9)
≤ 2 (n = 49)37 (30.6)2 (25.0)2 (40.0)8 (23.5)0.131 (0.497)0.792
≤ 3 (n = 18)13 (10.7)0 (0.0)0 (0.0)5 (14.7)0.236 (0.717)0.742
≤ 6 (n = 10)6 (5.0)2 (25.0)0 (0.0)2 (5.9)-0.371 (0.785)0.637
Fever0.013a2.124 (0.747)0.004b
Yes 116 (95.9)5 (62.5)5 (100.0)29 (85.3)
No5 (4.1)3 (37.5)0 (0.0)5 (14.7)
Clinical manifestations
Skin or oral mucosal rashes121 (100.0)8 (100.0)5 (100.0)34 (100.0)
Respiratory system syndromes124 (19.8)3 (37.5)1 (20.0)3 (8.8)0.6030.811 (0.589)0.168
Myocardial damage31 (25.6)1 (12.5)1 (20.0)2 (5.9)0.025a1.040 (0.678)0.125
Vomit0 (0.0)0 (0.0)1 (20.0)0 (0.0)0.623-15.923 (882.744)0.986
Laboratory findings, n (%, mean ± SD)
WBC increased69 (56.6, 14.07 ± 3.42)4 (50.0, 19.82 ± 10.74)5 (100.0, 20.68 ± 7.67)15 (44.1, 13.88 ± 4.38)0.042a-0.058 (0.050)0.247
CRP increased79 (64.8, 24.64 ± 26.90)5 (62.5, 25.28 ± 26.64)5 (100.0, 47.68 ± 29.52)15 (44.1, 25.97 ± 43.35)0.431-0.007 (0.006)0.271
CK-MB increased56 (45.9, 33.77 ± 13.78)2 (25.0, 30.00 ± 4.24)4 (80.0, 28.00 ± 6.48)17 (50.0, 30.94 ± 7.04)0.2620.045 (0.027)0.097
LDH increased98 (80.3, 313.08 ± 59.37)6 (75.0, 298.17 ± 38.97)5 (100.0, 275.00 ± 24.81)27 (79.4, 334.52 ± 59.64)0.487-0.009 (0.004)0.043a
ALT increased20 (16.4)1 (12.5)1 (20.0)3 (8.8)0.333-0.575 (1.328)0.665
AST increased29 (23.8)1 (12.5)1 (20.0)3 (8.8)0.0861.778 (1.196)0.137
Radiographic evaluation
Abnormal chest X-ray248 (39.3)4 (50.0)1 (20.0)8 (23.5)0.2670.275 (0.449)0.540
Abnormal electrocardiogram324 (19.7)1 (12.5)1 (20.0)5 (14.7)0.3890.236 (0.566)0.677
Table 3 The least absolute shrinkage and selection operator regression analysis of the correlation between coxsackievirus A6 infection and various characteristics in hand, foot, and mouth disease patients in Shiyan, China
CharacteristicCV-A6 infection
Coefficient (SE)
P value
Temperature-8.880e-01 (3.899e-01)0.023a
Myocardial damage1.224e+00 (5.894e-01)0.037a
CK-MB increased7.187e-02 (2.978e-02)0.015a
LDH increased-1.355e-02 (4.137e-03)0.001b