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Table 1 Baseline characteristics of ESCC patients in the training and validation sets

From: Clinical significance of Osaka prognostic score based on nutritional and inflammatory status in patients with esophageal squamous cell carcinoma

  Training set (n = 276, %) Validation set (n = 119, %) P value
Age (mean ± SD, years) 59.0 ± 7.9 57.9 ± 7.7 0.177
Gender (male/female) 188(68.1)/88(31.9) 94(79.0)/25(21.0) 0.028
Tumor length (mean ± SD, cm) 4.2 ± 1.8 4 .3 ± 1.7 0.761
Tumor location (upper/middle/lower) 17(6.2)/122(44.2)/137(49.6) 10(8.4)/54(45.4)/55(46.2) 0.658
Vessel invasion (no/yes) 231(83.7)/45(16.3) 99(83.2)/20(16.8) 0.902
Perineural invasion (no/yes) 221(80.1)/55(19.9) 97(81.5)/22(18.5) 0.740
Differentiation (well/moderate/poor) 41(14.9)/184(66.7)/51(18.4) 17(14.3)/78(65.5)/24(20.2) 0.924
TNM stage (I/II/III) 79(28.6)/94(34.1)/103(37.3) 33(27.7)/46(38.7)/40(33.6) 0.659
Adjuvant treatment (no/yes) 198(71.7)/78(28.3) 87(73.1)/32(26.9) 0.780
CRP (mean ± SD, mg/L) 7.2 ± 8.0 7.6 ± 7.9 0.633
ALB (mean ± SD, g/dL) 4.1 ± 0.5 4.0 ± 0.5 0.454
PLT (mean ± SD, 10^9/L) 224 ± 71 225 ± 75 0.935
TNC (mean ± SD, 10^9/L) 4.42 ± 1.54 4.55 ± 1.62 0.471
TLC (mean ± SD, 10^9/L) 1.58 ± 0.5 1.54 ± 0.4 0.395
TMC (mean ± SD, 10^9/L) 0.52 ± 0.20 0.50 ± 0.13 0.548
PNI (mean ± SD) 48.6 ± 5.5 48.0 ± 6.0 0.297
SII (mean ± SD) 674.9 ± 355.5 720.4 ± 416.8 0.269
OPS (0/1/2/3) 85(30.8)/124(44.9)/52(18.8)/15(5.5) 38(31.9)/51(42.9)/19(16.0)/11(9.2) 0.507
GPS (0/1/2) 182(65.9)/69(25.0)/25(9.1) 78(65.5)/29(24.4)/12(10.1) 0.947
SIS (0/1/2) 140(50.7)/118(42.8)/18(6.5) 63(52.9)/51(42.9)/5(4.2) 0.654
  1. ESCC Esophageal squamous cell carcinoma, SD Standard deviation, CRP C-reactive protein, ALB Albumin, PLT Platelet, TNC Total neutrophil count, TLC Total lymphocyte count, TMC Total monocyte count, OPS Osaka prognostic score, GPS Glasgow prognostic score, SIS Systemic inflammation score, TNM Tumor node metastasis, PNI Prognostic nutritional index, SII Systemic immune-inflammation index