Table 1. Comparison between RSPDP and RDPS.
| Variable | RSPDP (n=52) | RDPS (n=9) | P value |
|---|---|---|---|
| Age (years), n (%) | 0.477 | ||
| <50 | 31 (59.6) | 4 (44.4) | |
| ≥50 | 21 (40.4) | 5 (55.6) | |
| Sex, n (%) | 0.136 | ||
| Female | 34 (65.4) | 3 (33.3) | |
| Male | 18 (34.6) | 6 (66.7) | |
| BMI (kg/m2), n (%) | 0.686 | ||
| <24 | 39 (75.0) | 6 (66.7) | |
| ≥24 | 13 (25.0) | 3 (33.6) | |
| Tumor size (cm), n (%) | 0.045 | ||
| <6 | 41 (78.9) | 4 (44.4) | |
| ≥6 | 11 (21.1) | 5 (55.6) | |
| Tumor location, n (%) | 0.077 | ||
| Body | 15 (28.8) | 0 (0.0) | |
| Tail | 21 (40.4) | 7 (77.8) | |
| Body and tail | 16 (30.8) | 2 (22.2) | |
| Radiographic appearance, n (%) | 0.390 | ||
| Solid | 12 (23.1) | 3 (33.3) | |
| Cystic | 30 (57.7) | 3 (33.3) | |
| Heterogeneous | 10 (19.2) | 3 (33.3) | |
| Splenic vessel compression by tumor, n (%) | 0.015 | ||
| Obvious | 12 (23.1) | 6 (66.7) | |
| No/slight | 40 (76.9) | 3 (33.3) | |
| Pathological diagnosis, n (%) | 0.697 | ||
| SCN | 17 (32.7) | 1 (11.1) | |
| MCN | 10 (19.2) | 3 (33.3) | |
| SPN | 7 (13.5) | 1 (11.1) | |
| NET | 10 (19.2) | 2 (22.2) | |
| Others | 8 (15.4) | 1 (11.1) | |
| Operative time, mean ± SD (min) | 226.4±55.7 | 227.2±53.1 | 0.969 |
| EBL, median (IQR) (mL) | 50 (20 to 100) | 300 (175 to 500) | 0.000 |
| Conversion, n (%) | 0 (0.0) | 1 (11.1) | 0.148 |
| LOS, mean ± SD (days) | 8.8±6.6 | 9.4±4.6 | 0.770 |
| Morbidity, n (%) | 7 (13.5) | 4 (44.4) | 0.047 |
| CR-POPF, n (%) | 4 (7.7) | 2 (22.2) | 0.121 |
| Mortality, n (%) | 0 (0.0) | 0 (0.0) | N/A |
RDP, robotic splenic preservation distal pancreatectomy; RSPDP, robotic splenic preservation distal pancreatectomy; RDPS, robotic distal pancreatosplenectomy; BMI, body mass index; SCN, serous cystic neoplasm; MCN, mucinous cystic neoplasm; SPN, solid pseudopapillary neoplasm; NET, neuroendocrine tumor; EBL, estimated blood loss; LOS, length of stay; CR-POPF, clinically relevant postoperative pancreatic fistula; N/A, not applicable.