Application value of antibody titres and RNA detection in the early prediction of Mycoplasma pneumoniae pneumonia in children: a retrospective study

Table 4 Influence of different confounding factors on the efficacy of four diagnostic methods

Covariate	MP-RNA		PA (1:80)			PA (1:160)		MP-RNA parallel PA (1:160)
Covariate	\({\chi }^{2}\)/β	p	\({\chi }^{2}\)/β	p	\({\chi }^{2}\)/β		p	\({\chi }^{2}\)/β	p
gender	0.746	0.388	1.802	0.179	-		-	0.11	0.74
Age group	0.447	0	0.094	0.699		0.225	0.132	0.063	0.843
RNA detection time	-0.439	0.098	0.19	0.133		0.212	0.217	-0.420	0.216
MP-Ab detection time	-0.460	0.076	0.244	0.05		0.256	0.133	-0.419	0.210
hsCRP (mg/L)	-0.004	0.342	0.02	0.091		-0.009	0.182	-0.009	0.182
RBC (10¹²/L)	0.077	0.768	-0.328	0.524		-0.569	0.079	-0.390	0.545
HGB (g/L)	0.013	0.214	-0.008	0.703		-0.013	0.312	-0.019	0.447
HCT (%)	0.035	0.318	-0.044	0.528		-0.069	0.105	-0.061	0.481
NEU (10⁹/L)	0.033	0.974	-0.001	0.974		-0.002	0.964	0.137	0.073
LYM (10⁹/L)	-0.023	0.689	-0.206	0.072		0.097	0.233	-0.081	0.562
MONO (10⁹/L)	-0.682	0.067	0.749	0.234		-0.117	0.822	0.926	0.154

PA: particle agglutination; hsCRP: hypersensitive-c-reactive-protein; RBC: red blood cell; HGB: haemoglobin; HCT: haematocrit; PLT: platelet; NEU: Neutrophil Count; LYM: lymphocyte; MONO: monocyte

ISSN: 1471-2334