Table 1 Patients’ basic characteristics of the two surgical groups
From: Transurethral needle electrode resection and transurethral holmium laser resection of bladder cancer
Index | Transurethral needle electrode resection (n = 52) | Transurethral holmium laser resection (n = 51) | Total (n = 103) | P |
|---|---|---|---|---|
Age (year) (mean ± sd) | 55.8 ± 12.8 | 58.8 ± 12.9 | 57.3 ± 12.9 | 0.236 |
Gender [n (%)] | ||||
Male | 34 (65.4) | 3 4(66.7) | 68 (66.0) | 0.891 |
Female | 18 (34.6) | 17 (33.3) | 35 (34.0) | |
Height (cm) (mean ± sd) | 166.6 ± 11.2 | 163.3 ± 10.0 | 165.0 ± 10.7 | 0.120 |
Weight (kg) (mean ± sd) | 64.5 ± 14.9 | 60.4 ± 12.6 | 62.4 ± 13.9 | 0.133 |
BMI (mean ± sd) | 23.0 ± 3.8 | 22.5 ± 3.5 | 22.8 ± 3.6 | 0.487 |
Tumor size (mm) (mean ± sd) | 25.7 ± 12.6 | 25.7 ± 13.9 | 25.7 ± 13.2 | 0.998 |
Tumor size grouping [n (%)] | ||||
< 3 cm | 37 (71.2) | 33 (64.7) | 70 (68.0) | 0.483 |
≥ 3 cm | 15 (28.8) | 18 (35.3) | 33 (32.0) | |
Tumor focality [n (%)] | ||||
Unifocal | 43 (82.7) | 43 (84.3) | 86 (83.5) | 0.825 |
Multifocal | 9 (17.3) | 8 (15.7) | 17 (16.5) | |
Tumor location [n (%)] | ||||
Lateral wall | 31 (59.6) | 31 (60.8) | 62 (60.2) | 0.993 |
Trigone | 6 (11.5) | 5 (9.8) | 11 (10.7) | |
Dome | 7 (13.5) | 7 (13.7) | 14 (13.6) | |
Posterior wall | 3 (5.8) | 3 (5.9) | 6 (5.8) | |
Anterior wall | 3 (5.8) | 2 (3.9) | 5 (4.9) | |
Less than 1.5 cm from the ureter mouth | 2 (3.8) | 3 (5.9) | 5 (4.9) | |
Pathological classification [n (%)] | ||||
Ta | 33 (63.5) | 29 (56.9) | 62 (60.2) | 0.791 |
T1 | 7 (13.5) | 8 (15.7) | 15 (14.6) | |
Tis | 12 (23.1) | 14 (27.5) | 26 (25.2) | |
Preoperative tumor grade [n (%)] | ||||
G1 | 44 (84.6) | 43 (84.3) | 87 (84.5) | 1.000 |
G2 | 8 (15.4) | 7 (13.7) | 15 (14.6) | |
G3 | 0 (0.0) | 1 (2.0) | 1 (1.0) | |
Postoperative tumor grade [n (%)] | ||||
G1 | 44 (84.6) | 43 (84.3) | 87 (84.5) | 1.000 |
G2 | 7 (13.5) | 7 (13.7) | 14 (13.6) | |
G3 | 1 (1.9) | 1 (2.0) | 2 (1.9) | |
Comorbid disease [n (%)] | ||||
None | 30 (57.7) | 29 (56.9) | 59 (57.3) | 1.000 |
Diabetes | 6 (11.5) | 6 (11.8) | 12 (11.7) | |
High blood pressure | 8 (15.4) | 7 (13.7) | 15 (14.6) | |
Coronary heart disease (CHD) | 4 (7.7) | 5 (9.8) | 9 (8.7) | |
Prostatic hyperplasia | 4 (7.7) | 4 (7.8) | 8 (7.8) |