Table 1. Baseline characteristics of the patients and tumours.
| Category | LRC (n=35) | ORC (n=35) | P value |
|---|---|---|---|
| Mean age, mean±s.d., years |
63.2±9.1 |
63.6±8.9 |
0.851a |
|
Sex, No. | |||
| Male | 32 | 32 | 1.0b |
| Female | 3 | 3 | — |
| BMI, mean±s.d., kg m−2 | 22.0±2.7 | 22.9±3.1 | 0.414a |
| Previous abdominal surgery, No. |
3 |
5 |
0.707b |
|
ASA grade, No. | |||
| II | 28 | 25 | 0.403b |
| III |
7 |
10 |
— |
|
Clinical stage, No. | |||
| cT1 | 5 | 4 | 0.873b |
| cT2 | 23 | 25 | — |
| cT3 | 7 | 6 | — |
| Concomitant CIS, No. |
1 |
2 |
1.0b |
|
Tumour history, No. | |||
| Primary tumour | 25 | 28 | 0.403b |
| Recurrent after TURBT and/or partial cystectomy | 10 | 7 | — |
| Follow-up, median (range), months | 26 (4–59) | 32 (6–60) | 0.972c |
| Lost to follow-up, No. | 3 | 3 | 1.0b |
Abbreviations: ASA=American Society of Anesthesiologists; BMI=body mass index; CIS=carcinoma in situ; LRC=laparoscopic radical cystectomy; ORC=open radical cystectomy; TURBT=transurethral resection of bladder tumour.
a
Student's t-test.
b
χ2 test or Fisher's exact test.
c
Mann–Whitney U-test.