Table 2.
Patients’ background.
| Variables | Number of patients | VAT at L4–5 | P value | ||
|---|---|---|---|---|---|
| <80 | ≥80 | ||||
| Total | 75 | 38 | 37 | ||
| Age at operation (years) | Median (IQR) | 58 (47–64) | 58 (46–64) | 58 (48–64) | 0.51# |
| Gender | 0.034* | ||||
| Male (%) | 29 (39) | 10 (26) | 19 (51) | ||
| Female (%) | 46 (61) | 28 (74) | 18 (49) | ||
| Preoperative BMI (kg/m2) | Median (IQR) | 22.5 (21.1–24.8) | 22.5 (21.1–24.8) | 22.4 (21.0–24.8) | <0.0001# |
| Preoperative serum creatinin (mg/dL) | Median (IQR) | 0.64 (0.58–0.78) | 0.64 (0.58–0.78) | 0.64 (0.58–0.78) | 0.0069# |
| eGFR (mL/min/1.73 m2) | Median (IQR) | 81.9 (74.4–91.8) | 81.9 (74.1–91.9) | 81.9 (73.8–91.5) | 0.092# |
| SAT at L4–5 (cm2) | Median (IQR) | 146.8 (94.6–201.9) | 147.9 (95.6–203.1) | 146.8 (93.8–199.4) | 0.0004# |
| TAVAT (cm3) | Median (IQR) | 2041.5 (1055.3–3389.8) | 1989.3 (1040.0–3337.2) | 2041.5 (1024.7–3431.0) | <0.0001# |
| TASAT (cm3) | Median (IQR) | 3227.6 (1798.4–4817.7) | 3245.8 (1830.9–4830.6) | 3135.3 (1779.7–4646.7) | 0.0010# |
| CCI | 1.00* | ||||
| 0 (%) | 71 (95) | 36 (95) | 35 (95) | ||
| 1 or more (%) | 4 (5) | 2 (5) | 2 (5) | ||
| Hypertension | 0.036* | ||||
| No (%) | 62 (83) | 35 (92) | 27 (73) | ||
| Yes (%) | 13 (17) | 3 (8) | 10 (27) | ||
| Diabetes | 1.00* | ||||
| No (%) | 73 (97) | 37 (97) | 36 (97) | ||
| Yes (%) | 2 (3) | 1 (3) | 1 (3) | ||
| Hyperlipidemia | 0.35* | ||||
| No (%) | 64 (85) | 34 (89) | 30 (81) | ||
| Yes (%) | 11 (15) | 4 (11) | 7 (19) | ||
| Hyperuricemia | 0.36* | ||||
| No (%) | 71 (95) | 37 (97) | 34 (92) | ||
| Yes (%) | 4 (5) | 1 (3) | 3 (8) | ||
| Preoperative nutrition index | |||||
| PNI | Median (IQR) | 53 (51–56) | 53 (51–56) | 53 (51–56) | 0.61# |
| CONUT score | Median (IQR) | 0 (0–2) | 0 (0–2) | 0 (0–2) | 0.23# |
| Type of donor nephrectomy | 0.82* | ||||
| Hand assisted (%) | 55 (73) | 27 (71) | 28 (76) | ||
| Laparoscopic (%) | 3 (4) | 2 (5) | 1 (3) | ||
| Open (%) | 17 (23) | 9 (24) | 8 (21) | ||
| Operative time (min) | Median (IQR) | 247 (156–498) | 250 (222–311) | 244 (218–311) | 0.011# |
| Perioperative complications | 1.00* | ||||
| No (%) | 71 (95) | 36 (95) | 35 (95) | ||
| Yes (%) | 4 (5) | 2 (5) | 2 (5) | ||
VAT at L4–5 – visceral adipose tissue at the level of the fourth and fifth lumbar vertebra; IQR – interquartile range; BMI – body mass index; eGFR – estimate glomerular filtration rate; SAT at L4–5 – subcutaneous adipose tissue at the level of the fourth and fifth lumbar vertebra; TAVAT – total abdominal visceral adipose tissue; TASAT – total abdominal subcutaneous adipose tissue; CCI – charlson comorbidity index; PNI – prognostic nutritional index; CONUT – controlling nutritional status;
*
Chi-square test or Fisher’s exact test;
#
Mann-Whitney U test.