Table 5.
Surgical outcomes in patients divided into high and low nDSS scores.
| Variable | nDSS 5–7 | nDSS ≥ 8 | OR | p Value |
|---|---|---|---|---|
| Operation time, min (mean) | 210.67 | 240.74 | - | <0.001 |
| Operation time ≥ 260 min, n (%) | 16 (28.1%) | 48 (72.7%) | 6.833 | <0.001 |
| EBL, mL (mean) | 281.93 | 702.58 | - | <0.001 |
| EBL ≥ 300 mL, n (%) | 24 (42.1%) | 51 (77.3%) | 4.675 | <0.001 |
| RBC transfusion, n (%) | 3 (5.3%) | 25 (37.9%) | 10.976 | <0.001 |
| POHS, days (mean) | 8.00 | 13.32 | - | 0.001 |
| POHS ≥ 8 days, n (%) | 20 (35.1%) | 44 (66.7%) | 3.700 | 0.001 |
| CDC grade ≥ IIIa, n (%) | 5 (8.8%) | 17 (25.8%) | 3.608 | 0.014 |
| Remnant stone, n (%) | 4 (7.0%) | 7 (10.6%) | 1.572 | 0.543 |
| Recurrent stone, n (%) | 2 (3.5%) | 4 (6.1%) | 1.774 | 0.685 |
p values in bold are statistically significant at ≤0.05. nDSS modified difficulty scoring system, OR odds ratio, EBL estimated blood loss, RBC red blood cell, POHS postoperative hospital stay, CDC Clavien–Dindo classification.