Table 3 Clinical variables that influences total psoas index, splenic hypertrophy, and platelet count decrease
|  | Ratio of total psoas index decrease < 95% | Univariate analysis | Multivariate analysis | Splenic hypertrophy ratio ≥ 140% | Univariate analysis | Multivariate analysis | Ratio of platelet decrease < 80% | Univariate analysis | Multivariate analysis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n = 59 | p | OR | 95% C.I. | p | OR | 95% C.I. | n = 57 | p | OR | 95% C.I. | p | OR | 95% C.I. | n = 73 | p | OR | 95% C.I. | p | OR | 95% C.I. | |
Sex | |||||||||||||||||||||
 Female | 39/144 (27.1%) | 0.01 | 2.1 | 1.15–3.83 | 0.04 | 1.94 | 1.04–3.59 | 37/144 (25.7%) | 0.03 | 1.96 | 1.07–3.58 | 0.42 | 1.3 | 0.69–2.47 | 36/144 (25.0%) | 0.60 | 0.87 | 0.51–1.48 |  |  |  |
 Male | 20/133 (15.0%) |  |  |  |  |  |  | 20/133 (15.0%) |  |  |  |  |  |  | 37/133 (27.8%) |  |  |  |  |  |  |
Age (years) | |||||||||||||||||||||
  ≥ 45 | 28/85 (32.9%) | 0.02 | 2.55 | 1.41–4.62 | 0.01 | 2.3 | 1.27–4.24 | 18/85 (21.2%) | 0.87 | 1.05 | 0.56–1.98 |  |  |  | 23/85 (31.5%) | 0.86 | 1.05 | 0.59–1.88 |  |  |  |
  < 45 | 31/192 (16.1%) |  |  |  |  |  |  | 39/192 (20.3%) |  |  |  |  |  |  | 50/192 (26.0%) |  |  |  |  |  |  |
Graft type | |||||||||||||||||||||
 RL | 36/176 (20.3%) | 0.60 | 0.86 | 0.47–1.55 |  |  |  | 52/177 (29.4%) | < 0.001 | 7.9 | 3.04–20.55 | < 0.001 | 7.3 | 2.76–19.34 | 59/177 (33.3%) | < 0.001 | 3.07 | 1.61–5.86 | < 0.001 | 3.24 | 1.69–6.21 |
 Non-RL | 23/100 (23.0%) |  |  |  |  |  |  | 5/100 (5.0%) |  |  |  |  |  |  | 14/100 (14.0%) |  |  |  |  |  |  |
Preoperative platelet count (×104/μl) | |||||||||||||||||||||
  < 20.0 | 10/44 (22.7%) | 0.80 | 1.10 | 0.51–2.39 |  |  |  | 8/44 (18.2%) | 0.67 | 0.83 | 0.36–1.91 |  |  |  | 5/44 (11.4%) | 0.01 | 0.31 | 0.12–0.82 | 0.01 | 0.28 | 0.11–0.76 |
  ≥ 20.0 | 49/233 (21.0%) |  |  |  |  |  |  | 49/233 (21.0%) |  |  |  |  |  |  | 68/233 (29.2%) |  |  |  |  |  |  |
Preoperative LS ratio | |||||||||||||||||||||
  < 7.0 | 8/52 (15.4%) | 0.25 | 0.62 | 0.27–1.40 |  |  |  | 10/52 (19.2%) | 0.79 | 0.9 | 0.42–1.93 |  |  |  | 15/52 (28.8%) | 0.65 | 1.17 | 0.60–2.28 |  |  |  |
  ≥ 7.0 | 51/225 (22.7%) |  |  |  |  |  |  | 47/225 (20.9%) |  |  |  |  |  |  | 58/225 (25.8%) |  |  |  |  |  |  |
Preoperative Alb (g/dl) | |||||||||||||||||||||
  < 4.3 | 23/75 (30.7%) | 0.02 | 2.04 | 1.11–3.75 | 0.18 | 1.54 | 0.81–2.91 | 15/75 (20.0%) | 0.89 | 0.95 | 0.49–1.84 |  |  |  | 13/75 (17.3%) | 0.04 | 0.5 | 0.25–0.97 |  |  |  |
  ≥ 4.3 | 36/202 (17.8%) |  |  |  |  |  |  | 42/202 (20.8%) |  |  |  |  |  |  | 60/202 (29.7%) |  |  |  |  |  |  |
EBL per body weight (ml/kg) | |||||||||||||||||||||
  ≥ 10.0 | 12/61 (19.7%) | 0.73 | 0.88 | 0.43–1.79 |  |  |  | 14/61 (24.6%) | 0.60 | 1.2 | 0.61–2.38 |  |  |  | 16/61 (26.2%) | 0.98 | 0.99 | 0.52–1.89 |  |  |  |
  < 10.0 | 47/216 (21.8%) |  |  |  |  |  |  | 43/216 (19.9%) |  |  |  |  |  |  | 57/216 (26.4%) |  |  |  |  |  |  |
Postoperative complication ≥ C-D 3b | |||||||||||||||||||||
 yes | 1/6 (16.7%) | 1.00 | 0.73 | 0.08–6.41 |  |  |  | 3/6 (50.0%) | 0.10 | 4.02 | 0.79–20.47 |  |  |  | 3/6 (50.0%) | 0.19 | 2.87 | 0.57–15.56 |  |  |  |
 no | 58/269 (21.2%) |  |  |  |  |  |  | 54/271 (19.9%) |  |  |  |  |  |  | 70/271 (26.8%) |  |  |  |  |  |  |
Postoperative hospital stay (days) | |||||||||||||||||||||
  ≥ 20 | 9/27 (33.3%) | 0.11 | 2 | 0.85–4.72 |  |  |  | 5/27 (18.5%) | 0.78 | 0.87 | 0.31–2.40 |  |  |  | 8/27 (29.6%) | 0.65 | 1.2 | 0.50–2.87 |  |  |  |
  < 20 | 50/250 (20.0%) |  |  |  |  |  |  | 52/250 (20.8%) |  |  |  |  |  |  | 65/250 (26.0%) |  |  |  |  |  |  |