Table 1. Preoperative characteristics of the 17 patients who underwent Lap-SPDP in the same period.
| Parameter | W group (6 cases) | VP group (11 cases) | P value |
|---|---|---|---|
| Race | All Japanese | All Japanese | – |
| Age (years, mean ± SD) | 58.8±17.9 | 42.7±22.8 | 0.1575 |
| Sex (male/female) | 4/2 | 5/6 | 0.6199 |
| BMI (kg/m2, mean ± SD) | 25.2±5.8 | 22.9±4.1 | 0.3853 |
| Previous abdominal surgery (yes/no) | 1/5 | 3/8 | >0.9999 |
| ASA score (mean ± SD) | 1.8±0.4 | 1.5±0.5 | 0.2625 |
| Clinical diagnosis | |||
| Pancreatic cystic diseases | 3 | 6 | – |
| Neuro-endocrine tumor | 1 | 3 | – |
| Chronic pancreatitis | 2 | 0 | – |
| Metastatic tumor from RCC | 0 | 2 | – |
| Tumor size (mm, mean ± SD) | 46.5±31.2 | 25.7±14.9 | 0.0913 |
| Disease main location (Pb/Pt) | 3/3 | 7/4 | 0.6437 |
Lap, laparoscopic; SPDP, spleen preserving distal pancreatectomy; W group, Warshaw operation group; VP group, splenic vessels preserving group; BMI, body mass index; ASA, American Society of Anesthesiologists; RCC, renal cell cancer; Pb, pancreatic body; Pt, pancreatic tail.