Table 3. Pre- and postoperative changes in whole blood and serological parameters by gender Parameter Pre-operative value Postoperative.

Parameter	Pre-operative Value	Postoperative Value	t-value	t-value p-value
WBC (× 103 cells/μl)
Female	6.87 ± 1.55	6.65 ± 1.53	1.375	0.173
Male	6.68 ± 1.96	6.37 ± 1.41	1.262	0.217
Neutrophils (× 103 cells/μl)
Female	3.99 ± 1.30	3.99 ± 1.30	–0.985	0.328
Male	4.35 ± 1.39	4.34 ± 1.38	1.116	0.273
Eosinophils (× 103 cells/μl)
Female	0.51 ± 1.03	0.51 ± 0.98	0.000
Male	0.96 ± 2.28	1.37 ± 2.57	–3.479	1.000
Basophils (× 103 cells/μl)
Female	0.06 ± 0.16	0.04 ± 0.07	1.199	0.235
Male	0.33 ± 0.74	0.09 ± 0.22	1.740	0.093
Haemoglobin (g/dl)
Female	13.17 ± 0.93	13.05 ± 0.89	1.000	0.324
Male	15.26 ± 1.51	15.76 ± 1.32	–2.584	0.022*
Haematocrit (%)
Female	40.64 ± 2.77	39.78 ± 2.76	1.837	0.075
Male	45.29 ± 4.08	49.16 ± 9.74	–1.650	0.121
Thrombocytes (103 cells/μl)
Male	186.11 ± 33.16	193.72 ± 38.98	–2.061	0.055
Sedimentation rate (mm/h)
Female	22.08 ± 9.42	24.41 ± 16.79	–1.407	0.164
Male	11.33 ± 5.54	8.66 ± 3.07	3.065	0.005*
CRP (mg/dl)
Female	1.24 ± 1.25	1.30 ± 1.26	–1.540	0.128
Male	2.84 ± 1.62	2.75 ± 1.85	0.526	0.603
Rheumatoid factor (IU/ml)
Female	6.80 ± 5.83	6.41 ± 5.63	0.853	0.396
Male	7.11 ± 4.79	7.24 ± 2.50	–0.205	0.839

WBC: white blood cells; CRP: C-reactive protein