Analysis of Clinical Characteristics, Radiological Predictors, Pathological Features, and Perioperative Outcomes Associated with Perinephric Fat Adhesion Degree

Table 4

Correlation between APF and perioperative outcomes and pathological grading of RCC.

Variable	APF	Control group with no APF	value
Operative time (OT) (min)	110.50 (70.8, 126.0)	89 (85.3, 141.5)	0.141
Warm ischemia time (WIT) (min)	20.50 (17.8, 32.0)	21 (18.8, 25.3)	0.986
Drain output (ml)	169 (121.8, 186.3)	125.5 (94.5, 155.0)	0.012
Postoperative gastrointestinal recovery time (days)	5 (2.8, 6.0)	4 (3.0, 5.0)	0.611
Length of stay (days)	15 (13.8, 18.3)	14 (12.8, 15.3)	0.091
Transfusions	2 (5.6%)	3 (6.3%)	0.894
Estimated blood loss (EBL) (ml)	240 (195.5, 282.0)	215 (171.5, 270.8)	0.249
Postoperative fever (>38.0°C)	1 (2.8%)	4 (8.3%)	0.287
Postoperative gastrointestine discomfort	11 (30.6%)	10 (20.8%)	0.309
Change dressing frequency	4.5 (3.0, 6.3)	3 (2.0, 5.0)	0.052
Clavien–Dindo classification (CDC)	18 (50%)	18 (37.5%)	0.265
Clavien 1	15 (41.7%)	15 (31.3%)
Clavien 2	3 (8.3%)	3 (6.3%)
Fuhrman grade	26 (72%)	26 (54%)	0.106
I	10 (27.8%)	10 (20.8%)
II	10 (27.8%)	11 (22.9%)
III	2 (5.6%)	4 (8.3%)
IV	4 (11.1%)	1 (2.1%)

Bold values indicate significant difference.