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Table 2 Comparison of patients’ mean laboratory parameters at admission and postoperative days 1 and 5 ± 2

From: COVID-19: not a contraindication for surgery in patients with proximal femur fragility fractures

Laboratory parameters

Mean value ± SD at D0

Mean value ± SD at POD 1

Mean value ± SD at POD 5 ± 2

Post hoc test (p value)

F statistic (ANOVA)

Leucocyte count (× 103/mL)

10.42 ± 3.4

10.46 ± 2.8

8.65 ± 3.1

D0 vs POD1: p = 1

POD1 vs 5 ± 2: p = 0.045

F(1.585, 14.261) = 5.644, p = 0.02

Absolute neutrophil count (× 103/mL)

8.46 ± 2.9

8.46 ± 2.4

6.49 ± 2.6

D0 vs POD1: p = 1

POD1 vs 5 ± 2: p = 0.026

F(1.849, 16.645) = 6.733, p = 0.008

Relative lymphocyte count (%)

11.4 ± 3.2

11.2 ± 5.9

16.3 ± 6.1

D0 vs POD1: p = 1

POD1 vs 5 ± 2: p = 0.02

F(1.602, 14.420) = 5.611, p = 0.02

  1. Univariate repeated measures ANOVA with Greenhouse-Geisser correction and post hoc tests using the Bonferroni adjustment (statistical significance set at p ≤ 0.05)
  2. F statistic reported as F(degrees of freedomtime, degrees of freedomerror) = F value, p value)
  3. Only significant outcomes are reported in this table
  4. Abbreviations: D0 admission day, SD standard deviation, POD postoperative day