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Table 1 Characteristics and outcomes of the test and control group

From: Total laparoscopic nephroureterectomy for upper urinary tract urothelial carcinoma under a single surgical position

  Test group (n = 45) Control group (n = 44) Statistics P value
Age (years) ( ± s) 65.80 ± 6.06 65.68 ± 3.13 t = 0.116 0.908
Gender (M/F) (n) 24/21 23/21 χ2 = 0.010 0.920
Tumor (right/left) (n) 19/26 21/23 χ2 = 0.272 0.602
Tumor location (pelvis/ureter) (n) 31/14 29/15 χ2 = 0.090 0.764
Tumor stage (T1/T2/T3) (n) 21/17/7 20/18/6 χ2 = 0.119 0.942
Tumor grade (G1/G2/G3) (n) 16/23/6 14/25/5 χ2 = 0.296 0.862
Operation time (min) ( ± s) 96.58 ± 8.56 147.45 ± 9.14 t = − 27.112 < 0.01*
Intraoperative blood loss (ml) ( ± s) 39.58 ± 4.15 46.50 ± 4.58 t = − 7.475 < 0.01*
Postoperative pain score ( ± s)
 1 h after surgery 4.40 ± 1.23 5.18 ± 1.57 − 2.612 < 0.05*
 12 h after surgery 2.33 ± 0.95 3.64 ± 1.35 − 5.273 < 0.01*
 24 h after surgery 1.64 ± 1.07 2.18 ± 1.26 − 2.169 < 0.05*
 48 h after surgery 1.22 ± 0.90 1.39 ± 0.95 − 0.838 0.404
Recovery of bowel function (h) ( ± s) 6.47 ± 1.08 6.39 ± 1.06 t = 0.354 0.724
Postoperative ambulation (h) ( ± s) 7.47 ± 1.01 11.39 ± 1.82 t = − 12.514 < 0.01*
Length of stay (days) ( ± s) 6.98 ± 1.14 9.89 ± 1.51 t = − 10.265 < 0.01*
Follow-up (month) ( ± s) 25.95 ± 5.49 25.90 ± 5.44 t = − 0.040 0.968
Tumor recurrence (n)
 Intravesical tumor recurrence 1 3 0.361
 Extra-bladder implantation recurrence 0 2 0.242
 Renal pelvic tumor recurrence 0/31 2/29 0.229
 Ureteral tumor recurrence 1/14 3/15 0.598
  1. *Statistically significant