Table 2.
Information on operation and hospitalization after operation
| EMR + En-bloc | Transurethral resection | P value | |||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Range | Mean | SD | Range | ||
| Age; years | 69.7 | 7.7 | 55–86 | 70.5 | 6.6 | 53–80 | 0.635 |
| Tumor number | 1.3 | 0.6 | 1–3 | 1.4 | 0.6 | 1–3 | 0.458 |
| Tumor size; cm | 2.9 | 0.8 | 1.5–5.5 | 2.6 | 0.9 | 1.5–5.0 | 0.120 |
| Operation time; min | |||||||
| For EMR | 1.6 | 1.1 | 1–5 | – | – | – | |
| For en bloc | 16.9 | 10.5 | 2–43 | – | – | – | |
| Total | 18.3 | 10.5 | 3–48 | 17.3 | 9.5 | 2–31 | 0.691 |
| Catheterization: days | 4.2 | 2.3 | 3–14 | 3.7 | 1.4 | 3–10 | 0.285 |
| Clavien-Dindo scorea | N | % | N | % | 0.881 | ||
| 1 | 7 | 17.9 | 6 | 19.4 | |||
aOverall postoperative complications postoperative day 0–90. EMR: endoscopic mucosal resection