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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: J Surg Res. 2020 Mar 12;251:228–238. doi: 10.1016/j.jss.2020.01.008

Table 3 -.

Univariate Kaplan-Meier log-rank analysis and multivariate Cox proportional hazards models for RFS for RPS, TS, and all patients within cohort.

RFS RPS Multivariate HR (95% CI); P TS Multivariate HR (95% CI); P All Multivariate HR (95% CI); P
Factor Univariate Univariate Univariate
Female gender P < 0.01 0.59 (0.42–0.84); P < 0.01 P = 0.76 P < 0.01 0.67 (0.50–0.89); P < 0.01
Age older than 65 y P = 0.04 1.43 (1.01–2.02); P = 0.04 P = 0.73 P < 0.01 1.42 (1.05–7.42); P = 0.02
Race P = 0.73 P = 0.58 P = 0.29
DM P = 0.11 P = 0.37 P = 0.03 1.11 (0.76–1.63); P = 0.58
CAD P = 0.29 P = 0.22 P = 0.36
Smoking history P = 0.66 P = 0.01 1.68 (0.88–3.18); P = 0.12 P = 0.26
Prior radiation P = 0.28 P < 0.01 0.89 (0.39–2.00); P = 0.77 P = 0.07
Known genetic syndrome P = 0.94 P = 0.18 P = 0.08
Sepsis P < 0.01 3.05 (1.24–7.46); P = 0.02 P = 0.87 P < 0.01 3.28 (1.45–7.42); P < 0.01
Multifocal P = 0.04 P = 0.36 P < 0.01 1.25 (0.81–1.93); P = 0.31
Margin P < 0.01 P = 0.83 P < 0.01
 R0 Reference Reference Reference
 R1 1.81 (1.23–2.67); P < 0.01 1.85 (1.34–2.55); P < 0.01
 R2 1.99 (1.05–3.75); P = 0.03 2.41 (1.39–4.17); P < 0.01
Histology P < 0.01 P < 0.01 P < 0.01
 UPS Reference Reference Reference
 Chondrosarcoma 3.77 (0.80–17.65); P = 0.09 0.26 (0.03–2.00); P = 0.20 1.48 (0.43–5.15); P = 0.54
 Leiomyosarcoma 0.97 (0.51–1.85); P = 0.92 0.65 (0.22–1.90); P = 0.43 0.92 (0.56–1.50); P = 0.74
 Liposarcoma 0.66 (0.344–1.25); P = 0.20 0.35 (0.11–1.10); P = 0.07 0.73 (0.45–1.19); P = 0.21
 Myxofibrosarcoma 0.00 (0.00–>100); P = 0.96 <0.01 (<0.01–>100); P = 0.97 0.00 (0.00–>100); P = 0.95
 MPNST 2.10 (0.22–19.95); P = 0.52 2.41 (1.00–5.77); P = 0.05 3.55 (1.34–9.41): P = 0.01
 PNET 0.41 (0.05–3.39); P = 0.41 0.45 (0.06–3.42); P = 0.44 0.43 (0.10–1.87); P = 0.26
 Rhabdomyosarcoma 2.10 (0.24–19.77); P = 0.52 1.15 (0.14–9.30); P = 0.90 1.21 (0.23–6.40); P = 0.83
 Angiosarcoma 12.76 (1.40–>100); P = 0.2 1.23 (0.49–3.10); P = 0.67 3.28 (1.34–8.06); P = 0.01
 Sarcoma not otherwise specified 1.20 (9.46–3.18); P = 0.71 0.73 (0.23–2.39); P = 0.62 1.21 (0.57–2.59); P = 0.62
 Small round cell tumors 8.39 (0.82–85.6); P = 0.07 0.71 (0.09–5.42); P = 0.74 1.27 (0.27–6.00); P = 0.77
 Synovial sarcoma 7.99 (2.86–22.33); P < 0.01 0.67 (0.27–1.67); P = 0.39 1.20 (0.60–2.40); P = 0.60
 Other 0.54 (0.23–1.29); P = 0.17 0.24 (0.10–0.58); P < 0.01 0.45 (0.23–0.88); P = 0.02
Grade––low versus high grade P < 0.01 2.19 (1.39–3.47); P < 0.01 P = 0.22 P < 0.01 2.27 (1.45–3.57); P < 0.01
Tumor necrosis P < 0.01 1.36 (0.89–2.09); P = 0.16 P = 0.62 P < 0.01 1.68 (1.13–2.51); P = 0.01
Nodal status P = 0.13 P = 0.16 P = 0.01 2.18 (1.17–4.06); P = 0.01
Neoadjuvant P = 0.38 P = 0.61 P = 0.12
Adjuvant P = 0.67 P = 0.88 P < 0.01 0.92 (0.63–1.33); P = 0.64
Obesity P = 0.92 P = 0.09 P = 0.46
Size >20 cm P = 0.95 P = 0.06 P < 0.01 1.40 (0.91–2.16); P = 0.12
Elevated NLR P = 0.20 P = 0.05 P = 0.02 0.64 (0.43–0.97); P = 0.03
Elevated PLR P = 0.06 P = 0.03 1.06 (0.59–1.93); P = 0.84 P < 0.01 1.49 (0.98–2.27); P = 0.06

HR = hazard ratio; PNET = primitive neuroectodermal tumor