TABLE 5.

Characteristics of Patients Who Had Surgery During Period I Versus Period II

	Period I (1990–1997) N = 78	Period II (1998–2005) N = 89	P
Males	53 (67.9%)	51 (57.3%)	0.157
Age	56.2 (±15.1)	58.3 (±15.4)	0.383
APACHE II	9.0 (±6.1)	9.9 (±6.4)	0.346
Organ failure	26 (33.3%)	41 (46.1%)	0.094
Preoperative antibiotic	64 (82.1%)	76 (85.4%)	0.558
Days from onset of symptoms to surgery	56.8 (±68.7)	48.6 (±46.5)	0.378
Early surgery	34 (43.6%)	35 (39.3%)	0.577
Postoperative ICU	36 (46.2%)	59 (66.3%)	0.009
Pancreatic fistula	44 (56.4%)	24 (28.2%)	<0.001
Enteric fistula	15 (19.2%)	10 (11.2%)	0.149
Intra-abdominal hemorrhage	3 (3.8%)	3 (3.4%)	1
Wound infection	13 (16.7%)	15 (16.9%)	0.974
Other major complication	6 (7.7%)	3 (3.4%)	0.307
Postoperative IR drain placed	20 (25.6%)	30 (33.7%)	0.256
Indication for surgery Infected necrosis	24 (30.8%)	59 (66.3%)	<0.001
Intraoperative cultures recorded	69 (88.5%)	89 (100%)	<0.001*
Intraoperative culture proven infected necrosis	46 (66.7%)	67 (75.3%)	0.234
Fungal infection	6 (8.7%)	14 (15.7%)	0.187
Early reoperation	12 (15.4%)	9 (10.1%)	0.305
Postoperative length of stay	28.8 (±22.0)	30.1 (±32.7)	0.782†
Mortality	5 (6.4%)	14 (15.7%)	0.058

^*Introperative cultures recorded N = 158.

^†Survivors N = 145.