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. 2017 Dec 8;17:155. doi: 10.1186/s12876-017-0717-3

Table 3.

Primary and secondary end points

Outcome Open necrosectomy after PCD(n = 12) Percutaneous debridement after PCD
(n = 15)
Risk ratio
(95% CI)
P value
Primary composite end point: major complications or death - no. (%)a 11 (92%) 8 (53%) 1.71 (1.04–2.84) 0.04
Secondary end points
Major complication - no. (%)
New-onset organ failure 7 (58%) 2 (13%) 4.38 (1.11–17.32) 0.04
Multiple-organ failure 3 (25%) 0 0.08
Intestinal fistula 6 (50%) 7 (47%) 1.07 (0.49–2.34) 0.86
Intra-abdominal bleeding 3 (25%) 1 (7%) 3.75 (0.45–31.62) 0.29
Stress ulcer with bleeding 2 (17%) 0 0.19
Other outcome
Intestinal obstruction 2 (17%) 0 0.19
Cerebral infarction 1 (8%) 0 0.44
Arrhythmia 0 1 (7%) 0.27
Death - no. (%) 2 (17%) 0 0.19
Postoperative ICU admission time 0.02
Median 17 0
IQR 7–35 0–9
Days in hospital 0.25
Median 62 52
IQR 40–73 41–60

aMultiple events in the same patient were considered as one end point