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. 2021 Feb 17;11:4040. doi: 10.1038/s41598-021-83495-4

Table 1.

Baseline demographic data of endoscopic and nephroureterectomy (RNU) managed UTUC.

Variables Endoscopic RNU p-valuea
N % N %
Gender
Men 36 (42.90) 118 (43.40) 0.932
Women 48 (57.10) 154 (56.60)
Ageb mean ± SD 68.8 ± 11.5 67.6 ± 10.6 0.331
BMIb mean ± SD 23.7 ± 3.8 24.1 ± 3.8 0.431
Hospital stay (day)b median 2.0 8.0 < 0.001**
Follow up (months)b median 33.5 42.0 0.082
ECOG
Normal activity fully ambulatory 64 (76.19) 125 (45.96) 0.002**
Symptoms, but nearly fully ambulatory 17 (20.24) 101 (37.13)
Some bed time, but needs to be in bed less than 50% of normal daytime 3 (3.57) 10 (3.68)
Needs to be in bed more than 50% of normal daytime 0 (0.00) 1 (0.37)
Risk factor
Smoking 4 (4.76) 51 (18.75) 0.016*
Chemical exposure 0 (0.00) 14 (5.15) 0.068
Herbal supplements 3 (3.57) 32 (11.76) 0.106
Arsenic water 1 (1.19) 17 (6.25) 0.145
ESRD/CRI 18 (21.43) 60 (22.06) 0.193
Previous nephroureterectomy for UC 18 (21.43) 7 (2.57) < 0.001**
Regular hair coloring 2 (2.38) 25 (4.75) 0.119
Comorbidity
CAD 8 (9.52) 31 (11.40) 0.604
Arrythmi 4 (4.76) 10 (3.68) 0.672
HTN 49 (58.33) 134 (49.26) 0.177
ESRD 4 (4.76) 39 (14.34) 0.017*
DM 23 (27.38) 70 (25.74) 0.816
Gout 9 (10.71) 12 (4.41) 0.035*
GI 9 (10.71) 33 (12.13) 0.693
Malignancy (No UTUC/bladder UC) 7 (8.33) 30 (11.03) 0.457
Tumor location
Renal pelvis 73 (86.90) 172 (63.24) < 0.001**
Ureter 22 (26.19) 141 (51.84) < 0.001**
Tumor size (cm)
< 2 74 (88.10) 102 (37.50) < 0.001**
≥ 2 7 (8.33) 163 (59.93)
Affected kidney at diagnosis
Left 41 (48.81) 123 (45.22) 0.253
Right 40 (47.62) 144 (52.94)
Bilateral 2 (2.38) 4 (1.47)
Multifocality
Not available 2 (2.38) 1 (0.37) < 0.001**
No 16 (19.05) 191 (70.22)
Yes 62 (73.81) 77 (28.31)
Pre-op urine cytology
Negative 18 (21.4) 36 (13.2) 0.658
Atypia 18 (21.4) 48 (17.6)
Positive 33 (39.3) 90 (33.1)
Synchronous bladder urothelial cancer
Previous Hx of bladder UC 20 (23.81) 29 (10.66) 0.001**
Concurrent bladder UC 7 (8.33) 41 (15.07)
Preoperative hydronephrosis 47 (55.95) 155 (56.99) 0.767
Bladder UC after RNU/endoscopic ablation 19 (22.62) 91 (33.46) 0.481
Definitive chemotherapy for advanced/metastasis UTUC 7 (8.33) 41 (15.07) 0.178
Radiation therapy for UTUC 2 (2.38) 14 (5.15) 0.251
Biopsy tumor grading
Benign lesion 0 (0.00) 5 (1.84) 0.317
Papillary urothelial neoplasm of low malignant potential 0 (0.00) 4 (1.47)
Low grade 28 (33.33) 60 (22.06)
High grade 43 (51.19) 84 (30.88)
G2 (WHO 1973) 0 (0.00) 5 (1.84)
Dysplasia/atypia 2 (2.38) 6 (2.21)
Biopsy failure 3 (3.57) 8 (2.94)
Clinical T stage T
cTx 72 (85.71) 196 (72.06) 0.008**
cTa 7 (8.33) 15 (5.51)
cT1 3 (3.57) 41 (15.07)
cT2 2 (2.38) 20 (7.35)

aChi-Squared test calculated for the difference Variables.

bStudent’s t-test calculated for the difference in means.

*< 0.05.

**< 0.01.