Clinical application of ultrasound-guided surgical puncture and drainage in early treatment of pyogenic liver abscess

Table 2 Clinical outcomes, mean ± SD/n (%)

Result	n = 143
Puncture success rate (%)	99.3
Puncture duration (minute)	11.3 ± 5.4
Time to fever resolution (days)	1.9 ± 1.2
Time for neutrophil count to return to normal (days)	2.4 ± 0.8
Postoperative hospital stay (days)	2.9 ± 2.8
Time for abscess reduction by more than 50% (days)	7.1 ± 3.3
Bacterial culture
Positive	103 (72)
Klebsiella pneumoniae	78 (75.7)
Escherichia coli	22 (15.3)
Other	3 (2.1)
Negative	40 (28)
Intraoperative complications
Catheterization failure	1 (0.7)
Postoperative complication
Catheter dislodgement	3 (2.1)
Septic shock	5 (3.5)