Table 2.

Demographic Differences by Type of Drainage Procedure among Those Patients Who Died^*

	PD (n = 24)	SD (n = 61)	P
Age	58.3 ± 2.91	54.5 ± 1.80	0.28†
APACHE II	19.6 ± 1.73	18.7 ± 1.10	0.67†
Acute Physiology Score	13.9 ± 1.50	13.0 ± 1.14	0.66†
Body mass index	26.8 ± 2.80	28.1 ± 1.80	0.69†
Maximum temperature	37.4 ± 0.25	37.6 ± 0.14	0.39†
White blood cell count	26.9 ± 2.93	18.1 ± 1.65	0.007†
Gender	17 male/7 female	36 male/25 female	0.31§
Diabetes mellitus	9 (37.5%)	10 (16.7%)	0.04§
Hemodialysis	10 (41.7%)	14 (23.0%)	0.08§
Immunosuppression	2 (8.3%)	35 (57.4%)	<0.0001§
Intensive care unit care	20 (83.3%)	44 (72.1%)	0.28§
Days to discharge	18 (9.5–27.5)	27 (3–51)	0.15‡

^*Results are presented as mean ± SE, median (25 to 75%), or no. (%), and analyses are

^†independent t test,

^‡Mann-Whitney-U test, or

^§chi-square test.

PD, percutaneous drainage; SD, surgical drainage; APACHE, Acute Physiology and Chronic Health Evaluation.