Table 1 General characteristics of the patients
Characteristic | 2019 N = 1871(%) | 2020 N = 725(%) | X2 | P-value |
|---|---|---|---|---|
Gender | ||||
Male | 966(51.63) | 373(51.45) | 0.007 | 0.934 |
Female | 905(48.37) | 352(48.55) | ||
Age of onset | ||||
< 3 years | 871(46.55) | 417(57.52) | 25.129 | < 0.001 |
3–5 years | 505(27.00) | 167(23.03) | 4.263 | 0.039 |
6–16 years | 495(26.46) | 141(19.45) | 12.893 | < 0.001 |
Underlying diseases | 335(17.90) | 253(34.90) | 86.109 | < 0.001 |
Congenital heart disease | 242(12.93) | 174(24.00) | 47.547 | < 0.001 |
Brain disease | 25(1.34) | 17(2.34) | 3.340 | 0.068 |
Need of oxygen | 135(7.22) | 87(12.00) | 15.296 | < 0.001 |
Complications | 151(8.07) | 76(10.48) | 3.81 | 0.051 |
positive pathogens | 1451(77.55) | 406(56.00) | 119.19 | < 0.001 |
single pathogen | 1082(57.83) | 325(44.83) | 35.587 | < 0.001 |
more than two pathogens | 369(19.72) | 81(11.17) | 26.655 | < 0.001 |