Table 3.

Clinical conditions of patients who underwent curative surgery and pathological features of surgically removed complex cystic renal mass.

Characters		Benign cyst	Multilocular cystic renal neoplasm of low malignant potential	The other cystic renal cell carcinoma	Comparisons between group
					P value	q-value
						Benign cyst vs. multilocular cystic renal neoplasm of low malignant potential	Benign cyst vs. the other cystic renal cell carcinoma	Multilocular cystic renal neoplasm of low malignant potential vs. the other cystic renal cell carcinoma
Data of cysts included in the analysis		64	67	88
Age (years)	Minimum	35	33	28	<.0001	11.633	8.148	4.284
	Maximum	70	65	70
	Mean ± SD	58.15 ± 9.15	44.51 ± 8.88	49.17 ± 10.15
Gender	Male	40 (63)	41 (61)	58 (66)	.821	N/A	N/A	N/A
	Female	24 (37)	26 (39)	30 (34)
Detection	Incidental	42 (65)	48 (72)	61 (69)	.829	N/A	N/A	N/A
	Symptomatic	22 (34)	19 (28)	27 (31)
Side	Dominant side	22 (34)	31 (46)	47 (53)	.067	N/A	N/A	N/A
	Non-dominant side	42 (66)	36 (54)	21 (24)
Location	Upper pole	33 (52)	21 (31)	28 (32)	.056	N/A	N/A	N/A
	Interpolar	16 (25)	22 (33)	37 (42)
	Lower pole	15 (23)	24 (36)	23 (26)
Pathologic feature (T stage)	T1a	N/A	34 (51)	46 (52)	.982	N/A	N/A	N/A
	T1b	N/A	22 (33)	28 (32)
	T2	N/A	11 (16)	14 (16)
Cell type	Clear	N/A	64 (96)	77 (88)	.097	N/A	N/A	N/A
	Non-clear	N/A	3 (4)	11 (12)
Fuhrman grade	1 & 2 (low) grade	N/A	53 (79)	57 (65)	.074	N/A	N/A	N/A
	3 & 4 (high) grade	N/A	14 (21)	31 (35)
Cyst fluid's nature	Serous	42 (66)	63 (94)	25 (28)	<.0001	5.622	7.837	14.001
	hemorrhagic/necrotic	22 (34)	4 (6)	63 (72)
Type of surgery	Nephron-sparing surgery	39 (61)	28 (42)	41 (47)	.073	N/A	N/A	N/A
	Radical nephrectomy	25 (39)	39 (58)	47 (53)