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. 2021 Feb 4;11:3079. doi: 10.1038/s41598-021-82750-y

Table 4.

Cox proportional hazard model of MFS, RFS, OS, and CSS in four pTN groups (A) among overall 4236 patients and (B) among only 1382 radical nephrectomized cases.

Group MFS (n = 4236, event = 141) RFS (n = 4236, event = 410)
N Event (%) Univariable model Multivariable model N Event (%) Univariable model Multivariable model
HR (95% CI) p value HR (95% CI) p value HR (95% CI) p value HR (95% CI) p value
(A)
pT3-4N0 482 57 (11.8) 1 (ref) 1 (ref) 482 144 (29.9) 1 (ref) 1 (ref)
pT1-2N0 3702 80 (2.2) 0.17 (0.12–0.24) < .001 0.32 (0.23–0.47) < .001 3702 239 (6.5) 0.18 (0.15–0.22) < .001 0.34 (0.27–0.43) < .001
pT1-2N1 25 3 (12.0) 1.06 (0.33–3.39) 0.922 1.34 (0.41–4.33) 0.629 25 10 (40.0) 1.38 (0.73–2.63) 0.322 1.09 (0.51–2.35) 0.820
pT3-4N1 27 1 (3.7) 0.38 (0.05–2.72) 0.332 0.42 (0.06–3.09) 0.394 27 17 (63.0) 3.21 (1.94–5.30) < .001 2.75 (1.53–4.96) 0.001
Group OS (n = 4236, event = 351) CSS (n = 4236, event = 212)
N Event (%) Univariable model Multivariable model N Event (%) Univariable model Multivariable model
HR (95% CI) p value HR (95% CI) p value HR (95% CI) p value HR (95% CI) p value
pT3-4N0 482 109 (22.6) 1 (ref) 1 (ref) 482 87 (18.1) 1 (ref) 1 (ref)
pT1-2N0 3702 221 (6.0) 0.25 (0.20–0.32) < .001 0.48 (0.37–0.62) < .001 3702 109 (2.9) 0.15 (0.12–0.20) < .001 0.27 (0.20–0.37) < .001
pT1-2N1 25 10 (40.0) 1.81 (0.95–3.46) 0.074 2.11 (1.05–4.26) 0.036 25 8 (32.0) 1.76 (0.85–3.64) 0.128 1.93 (0.83–4.51) 0.127
pT3-4N1 27 11 (40.7) 2.27 (1.22–4.22) 0.010 3.49 (1.73–7.05) 0.001 27 8 (29.6) 2.02 (0.98–4.17) 0.058 2.73 (1.26–5.93) 0.011
Group MFS (n = 1382, event = 56) RFS (n = 1382, event = 173)
N Event (%) Univariable model Multivariable model N Event (%) Univariable model Multivariable model
HR (95% CI) p valve HR (95% CI) p valve HR (95% CI) p valve HR (95% CI) p value
(B)
pT3-4N0 246 27 (11.0) 1 (ref) 1 (ref) 246 62 (25.2) 1 (ref) 1 (ref)
pT1-2N0 1108 26 (2.4) 0.18 (0.11–0.32) < .001 0.31 (0.18–0.56) < .001 1108 97 (8.8) 0.27 (0.20–0.38) < .001 0.54 (0.36–0.79) 0.002
pT1-2N1 14 3 (21.4) 2.33 (0.75–7.23) 0.145 2.16 (0.69–6.77) 0.188 14 6 (42.9) 1.92 (0.83–4.44) 0.128 1.35 (0.57–3.18) 0.499
pT3-4N1 14 0 (0.0) 0.33 (0.02–5.78) 0.451 0.23 (0.01–4.10) 0.317 14 8 (57.1) 3.31 (1.58–6.91) 0.002 1.54 (0.70–3.36) 0.280
Group OS (n = 1382, event = 140) CSS (n = 1382, event = 84)
N Event (%) Univariable model Multivariable model N Event (%) Univariable model Multivariable model
HR (95% CI) p value HR (95% CI) p value HR (95% CI) p value HR (95% CI) p value
pT3-4N0 246 42 (17.1) 1 (ref) 1 (ref) 246 32 (13.0) 1 (ref) 1 (ref)
pT1-2N0 1108 88 (7.9) 0.36 (0.25–0.52) < .001 0.64 (0.43–0.95) 0.028 1108 44 (4.0) 0.24 (0.15–0.38) < .001 0.52 (0.31–0.87) 0.013
pT1-2N1 14 5 (35.7) 1.93 (0.76–4.88) 0.167 4.51 (1.57–12.98) 0.005 14 4 (28.6) 1.99 (0.70–5.64) 0.196 3.00 (0.87–10.30) 0.081
pT3-4N1 14 5 (35.7) 1.95 (0.77–4.94) 0.160 3.21 (1.1–9.41) 0.034 14 4 (28.6) 2.03 (0.72–5.75) 0.184 2.73 (0.92–8.08) 0.070

(Panel A) Adjusted for hypertension, operative extent, histology, nuclear grade, and necrosis in multivariable model of MFS. Adjusted for BMI, ASA, hemoglobin, platelet, nephrectomy, operative extent, histology, nuclear grade, and necrosis in multivariable model of RFS. Adjusted for age, BMI, diabetes, hypertension, ASA, hemoglobin, nephrectomy, operative extent, nuclear grade, and sarcomatoid differentiation in multivariable model of OS. Adjusted for BMI, diabetes, hypertension, ASA, hemoglobin, nephrectomy, histology, and nuclear grade in multivariable model of CSS.

(Panel B) Adjusted for nuclear grade and necrosis in multivariable model of MFS. Adjusted for ASA, platelet, nephrectomy, nuclear grade, sarcomatoid differentiation, and necrosis in multivariable model of RFS. Adjusted for age, BMI, diabetes, ASA, hemoglobin, nuclear grade, and sarcomatoid differentiation in multivariable model of OS. Adjusted for age, BMI, hemoglobin, creatinine, nuclear grade, sarcomatoid differentiation, and necrosis in multivariable model of CSS.