A Risk Prediction Model for Prolonged Length of Stay in Patients with Acute Exacerbations of Chronic Obstructive Pulmonary Disease: A Retrospective Study of 225 Patients in a Single Center in Kunming, China

09 February 2022: Clinical Research

Lifen Yang ^1ABCDEFG* , Meihua Li ^1BCD , Jingkui Shu ^2BCD , Yanxia Yang ^1BCD , Qian Huang ^3BCD

DOI: 10.12659/MSM.934392

Med Sci Monit 2022; 28:e934392

Table 5 Variables associated with the risk of prolonged LOS in the final model.

Variable	β	S.E	Wald	P	OR	Lower	Upper
Age	0.038	0.022	3.149	0.076	1.039	0.996	1.084
Sex	0.720	0.541	1.772	0.183	2.055	0.712	5.933
mMRC scale	0.449	0.380	1.396	0.237	1.567	0.744	3.299
COPD-exacerbated autumn	0.583	0.378	2.371	0.124	1.791	0.853	3.760
Charlson index	0.859	0.543	2.505	0.113	2.360	0.815	6.837
Corticosteroids use during hospitalization	1.257	0.377	11.094		3.514	1.677	7.362
LY	−0.356	0.245	2.105	0.147	0.701	0.433	1.133
HCO	0.067	0.034	3.888	0.049	1.069	1.000	1.142
pH	−0.853	0.280	9.298	0.002	0.426	0.246	0.737
ΔPLT	0.007	0.003	4.836	0.028	1.007	1.001	1.014
ΔPCT	0.704	0.319	4.863	0.027	2.021	1.081	3.778
LOS – length of stay; mMRC – modified Medical Research Council; PLT – platelet; PCT – procalcitonin; S.E – standard error; OR – odds ratio; Δ – changes between the fourth and first day of hospitalization.