Different timing for abdominal paracentesis catheter placement and drainage in severe acute pancreatitis complicated by intra-abdominal fluid accumulation

Table 4 Comparison of length of hospital stay and hospitalization costs among the groups

Groups	Cases	Hospitalization time (d)	Hospitalization expenses (ten thousand yuan)
Group A	89	24.50 ± 4.16	2.70 (1.20, 3.55)
Group B	55	35.54 ± 6.62a	5.50 (2.98, 7.12)a
Group C	40	38.89 ± 7.10a	6.00 (3.10, 8.05)a
F/χ2		114.111	6.644
P value		< 0.001	< 0.001

^aP < 0.05 vs group A.