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Table 3 A comparison of laboratory testing results between two time points (initial diagnosis and perioperative testing) within each group

From: The impact of preoperative biliary drainage on postoperative outcomes in patients with malignant obstructive jaundice: a retrospective analysis of 290 consecutive cases at a single medical center

Parameters DG Within DG PG Within PG
Initial Perioperative Cases with paired data available Statistic P value Initial Perioperative Cases with paired data available Statistic P value
Hb (g/L) 126.13 ± 14.34 122.97 ± 14.71 124 t = 5.400 < 0.001 121.47 ± 17.51 114.70 ± 15.78 147 t = 6.352 < 0.001
WBC (10^9/L) 6.12 ± 1.84 5.98 ± 1.75 124 t = 1.463 0.146 6.45 ± 2.10 6.34 ± 2.00 147 t = 0.639 0.524
NEUT (%) 63.10 ± 9.36 64.23 ± 9.31 124 t = −1.789 0.076 66.94 ± 9.27 62.30 ± 9.37 146 t = 4.705 0.028
Plt (10^9/L) 252.23 ± 83.36 254.86 ± 85.68 124 t = −0.751 0.454 253.24 ± 87.03 243.80 ± 83.14 147 t = 1.764 < 0.001
ALB (g/L) 38.82 ± 4.09 38.17 ± 4.05 121 t = 2.435 0.016 37.43 ± 4.99 40.70 ± 5.22 147 t = −5.914 0.100
ALT (U/L) 200.21 ± 151.89 165.80 ± 140.32 122 t = 4.517 < 0.001 166.09 ± 152.17 78.52 ± 59.40 147 t = 7.656 < 0.001
AST (U/L) 133.94 ± 99.47 115.38 ± 93.63 122 t = 2.887 0.005 131.58 ± 122.80 54.60 ± 43.18 146 t = 7.882 0.001
TB (μmol/L) 140.99 ± 83.27 158.12 ± 95.11 122 t = −4.572 < 0.001 227.38 ± 126.49 83.03 ± 57.59 147 t = 14.399 < 0.001
DB (μmol/L) 116.11 ± 70.21 133.40 ± 79.21 121 t = −5.402 < 0.001 186.06 ± 103.03 71.49 ± 49.17 147 t = 13.904 < 0.001
GGT (U/L) 798.17 ± 602.69 739.93 ± 593.06 119 t = 3.228 0.002 586.88 ± 436.73 228.60 ± 181.69 145 t = 11.031 < 0.001
ALP (U/L) 434.24 ± 268.60 423.75 ± 262.36 122 t = 1.031 0.305 465.28 ± 363.83 230.40 ± 158.91 145 t = 9.484 < 0.001
Na (mmol/L) 139.83 ± 3.01 139.74 ± 3.16 119 t = 0.460 0.646 138.87 ± 3.16 139.78 ± 2.96 146 t = −3.279 < 0.001
PT (s) 11.35 ± 1.42 11.20 ± 1.22 117 t = 0.843 0.401 11.59 ± 1.51 11.65 ± 1.08 146 t = −0.402 0.682
  1. Hb hemoglobin, WBC white blood cell, NEUT neutrophils, Plt platelet, ALB albumin, ALT alanine transminase-glutamic pyruvic transaminase, AST aspartate transminase-glutamic oxalo-acetic transaminase, TB total bilirubin, DB direct bilirubin, GGT γ-glutamyltransferase, ALP alkaline phosphatase, Na natrium, PT prothrombin time