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Table 2 Mean levels of blood cell populations of patients in the DPS and SPDP groups

From: Dynamic hematological changes in patients undergoing distal pancreatectomy with or without splenectomy: a population-based cohort study

Blood cell populations Time points
Preoperative (n = 302) POD1 (n = 301) POD3 (n = 284) POD5 (n = 247) POD7 (n = 193) POW2 (n = 111) POM1 (n = 120) POM3 (n = 143)
WBCs (109/L)
 DPS 5.82 16.58** 15.44** 10.41** 10.23** 8.23** 7.23** 7.51**
 SPDP 5.64 12.51** 10.23** 7.35** 7.59** 7.31** 6.62** 6.26**
Neutrophils (109/L)
 DPS 3.50 14.19** 12.74** 7.58** 7.32** 5.39** 3.96* 3.99**
 SPDP 3.30 10.54** 8.21** 5.27* 5.31* 5.01 4.00** 3.92**
Lymphocytes (109/L)
 DPS 1.75 1.26** 1.39** 1.49** 1.62** 1.84 2.50** 2.85**
 SPDP 1.77 1.20** 1.25** 1.30** 1.46** 1.59 2.09* 1.89
Monocytes (109/L)
 DPS 0.32 1.09** 1.07** 0.95** 0.95** 0.65** 0.50** 0.47**
 SPDP 0.32 0.74** 0.67** 0.55** 0.59** 0.50** 0.37* 0.33
Eosinophils (109/L)
 DPS 0.14 0.01** 0.12* 0.32** 0.32** 0.25** 0.21** 0.14
 SPDP 0.13 0.01** 0.08** 0.18** 0.18** 0.16** 0.13 0.10**
Basophils (109/L)
 DPS 0.028 0.022** 0.032** 0.040** 0.042** 0.049** 0.050** 0.048**
 SPDP 0.025 0.016** 0.022 0.021* 0.022 0.030 0.030 0.027
Platelets (109/L)
 DPS 213 210 233** 328** 442** 581** 410** 356**
 SPDP 228 212** 194** 219* 261** 355** 238 217
RBC (1012/L)
 DPS 4.46 4.04** 3.68** 3.68** 3.84** 3.91** 4.29** 4.53
 SPDP 4.48 4.11** 3.75** 3.74** 3.77** 4.05** 4.35 4.56
Serum hemoglobin (g/L)
 DPS 135 123** 112** 112** 116** 117** 127** 138
 SPDP 135 125** 114** 113** 113** 121** 129* 136
  1. DPS distal pancreatectomy with splenectomy, SPDP spleen-preserving distal pancreatectomy, POD postoperative day, POW postoperative week, POM postoperative month, WBC white blood cell, RBC red blood cell
  2. *P < 0.05, **P < 0.01, using paired t test comparing postoperative time points with the preoperative level within the DPS group and the SPDP group separately
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