Assessment of clinical and pathological features of patients who underwent thyroid surgery: A retrospective clinical study

Table 1 Comparison of benign and malignant patient groups in terms of quantitative variables

Clinical parameters	Pathology	Mean	SD	Median	Min	Max	Kolmogorov-Smirnov	P value
Age (yr)	Benign	49.8	13.5	51	15	85	0.0001	0.09
	Malign	47.2	13.4	45	18	79
	Total	49.3	13.5	50	15	85
Preoperative WBC	Benign	7762	2200	7500	1005	16090	0.0001	0.703
	Malign	7801	1998	7395	4020	13090
	Total	7769	2163	7490	1005	16090
Preoperative neutrophil count (%)	Benign	0.61	0.09	0.61	0.35	0.95	0.0001	0.298
	Malign	0.62	0.08	0.62	0.31	0.93
	Total	0.6	0.09	0.61	0.31	0.95
Preoperative Lymphocyte count (%)	Benign	0.29	0.07	0.3	0.03	0.57	0.007	0.295
	Malign	0.28	0.06	0.29	0.05	0.44
	Total	0.29	0.07	0.29	0.03	0.57
Preoperative Thrombocyte count	Benign	289633	78647	285000	95000	621000	0.003	0.066
	Malign	304148	77386	297000	155000	560000
	Total	292257	78542	287000	95000	621000
Preoperative RDW (%)	Benign	0.14	0.02	0.14	0.12	0.3	0.0001	0.446
	Malign	0.15	0.02	0.14	0.12	0.23
	Total	0.15	0.02	0.14	0.12	0.3
Preoperative PDW	Benign	47.7	8.4	47	17	71	0.003	0.883
	Malign	47.8	7.6	46.5	33	65
	Total	47.7	8.2	47	17	71
Preoperative MPV	Benign	8.91	1.26	8.81	5.1	13.1	0.0001	0.092
	Malign	8.72	1.25	8.65	6.5	12.7
	Total	8.87	1.25	8.8	5.1	13.1
Preoperative PCT	Benign	0.25	0.07	0.25	0.09	0.56	0.0001	0.359
	Malign	0.26	0.06	0.26	0.13	0.47
	Total	0.25	0.07	0.25	0.09	0.56
Nodule size (mm)	Benign	35.4	16.9	35	5	115	0.0001	0.001
	Malign	27.6	18.2	20.5	7	110
	Total	34.0	17.4	32	5	115

WBC: White blood cell; RDW: Red cell distribution width; PDW: Platelet distribution width; MPV: Mean platelet volume; PCT: Platecrit.