Lung abscess predicts the surgical outcome in patients with pleural empyema

Table 2 Outcomes of pleural empyema patients with and without lung abscess

	Lung abscess (N = 22)	Non-lung abscess (N = 237)	P-value
Intensive care unit admission	14(64%)	95(40%)	P = 0.032*
Length of hospital stay (days)	24.9 ± 32.8	24.8 ± 16.6	P = 0.992
Post-operation length of hospital stay (days)	17.3 ± 28.9	17.5 ± 11.0	P = 0.978
Mortality	5(23%)	14(6%)	P = 0.004*

1. Values are medians ± standard error for continuous variables or # cases (%) for categorical variables.
2. P-values from Mann-Whitney U test (continuous variables) or Fisher exact test (categorical variables).

ISSN: 1749-8090