Table 2.

Clinicopathological features with and without surgery before and after propensity score matching

Variables	No PSM			PSM
	Surgery (n = 2114)	No‐surgery (n = 356)	p value	Surgery（n = 1068）	No‐surgery (n = 356)	p value
Age at diagnosis(years)	70.91(17‐100)	70.79(28‐98)	0.680	71.40(17‐100)	70.79(28‐98)	0.412
Race			0.067			0.491
White	1783	287		827	287
Black	226	53		137	53
Other	105	16		59	16
Sex			0.519			0.920
Female	589	105		320	105
Male	1529	251		748	251
Bladder, NOS
Histologic type			<0.0001			<0.0001
Non‐Papillary Transitional cell carcinoma	1202	215		557	215
Papillary Transitional cell carcinoma	615	54		313	54
Squamous cell neoplasms	68	21		52	21
Adenomas and adenocarcinoma	69	14		47	14
Other	160	52		99	52
Grade			<0.0001			<0.0001
II	107	24		95	24
III	519	147		328	147
IV	1488	185		645	185
T stage			<0.0001			<0.0001
T0	0	7		0	7
T1	289	55		119	55
T2	841	50		299	50
T3	142	20		68	20
T4	303	65		208	65
TX +unknown	539	159		374	159
N stage			0.011			0.665
N0	1008	134		435	134
N1	152	28		82	28
N2	275	53		131	53
N3	80	15		38	15
NX +unknown	599	126		382	126
Radiotherapy			0.435			0.614
Refused	23	2		12	2
Yes	496	75		215	75
None/Unknown	1595	279		341	279
Chemotherapy			<0.0001			0.896
No/Unknown	1039	243		723	243
Yes	1075	113		345	113
Number of sites of metastases	1.33(1‐4)	1.42(1‐4)	0.036	1.40	1.42	0.695

The p value was bold when it <0.05.