Results
Baseline characteristics of AECOPD patients.
In this cross-sectional study, a total of 598 AECOPD patients were
enrolled. In the end, the LHS of 111 patients (26%) were <7
days (Normal LHS, N-LHS), 218 patients (51%) were 7-10 days (Mild
Prolonged LHS, MP-LHS), and 100 patients (23%) were≥11 days (Severe
Prolonged LHS, SP-LHS) (Figure 1). The demographic data of the patients
were presented in Table 1. The significant differences in age and the
rates of CAP, CCP, and hypertension were observed among 3 groups.
Clinical presentations and laboratory data of AECOPD
patients.
As shown in Table 2, white blood cells (WBC), neutrophils (NS), NS%,
lymphocytes%, erythrocyte sedimentation rate (ESR), PH, and albumin
(ALB) were significantly different among the 3 groups.
Multiple logistic regression analysis in AECOPD patients.
To explore independent factors associated with LHS in AECOPD patients,
multiple logistics regression was performed. Since significant
collinearities among WBC, NS, and NS% were observed, WBC and NS% were
excluded. In the multiple logistics regression model, 9 factors in
significant association with LHS in univariate analysis, including age,
the rates of CAP, CCP, and hypertension, NS, lymphocytes%, ESR, PH, and
ALB were included. Subsequently, our data identified that the rates of
hypertension and CCP were independently associated with LHS in AECOPD
patients (Table 3).