Thresholds and timing of pre-operative thrombocytosis and ovarian cancer survival: analysis of laboratory measures from electronic medical records

Table 1 Clinical Characteristics of Tumor Registry Confirmed Ovarian Cancer Cases from the Vanderbilt University Medical Center

	All Epitheilal or Unknown Cases (N = 1170)		Cases With Pre-Diagnosis Platelets Measured (N = 304)
Characteristic	N or mean	% or std dev^a	N or mean	% or std dev^a
Age at Diagnosis, years	58.5	13.7	60.2	14.5
Date of Diagnosis, calendar year
1980–1984	117	10.0
1985–1989	143	12.2
1990–1994	183	15.6
1995–1999	202	17.3	62	20.4
2000–2004	199	17.0	83	27.3
2005–2009	208	17.8	100	32.9
2010–2013	118	10.1	59	19.4
Race
White	1036	88.6	266	87.5
Black	68	5.8	25	8.2
Asian	11	0.9	2	0.7
Native	2	0.2	0	0.0
Other/Unknown	53	4.5	11	3.6
Primary Site
Ovary (C569)	1129	96.5	294	96.7
Fallopian Tube (C570)	41	3.5	10	3.3
Histologic Subtype
Serous	666	56.9	147	48.4
Endometrioid	105	9.0	33	10.9
Mucinous	75	6.4	24	7.9
Clear Cell	45	3.9	15	4.9
Other	47	4.0	18	5.9
Unknown	232	19.8	67	22.0
Stage of Disease
I	172	14.7	69	22.7
II	52	4.4	19	6.3
III	360	30.8	124	40.8
IV	261	22.3	67	22.0
Unknown/Unstaged	325	27.8	25	8.2
Disease Grade
1, Well differentiated	58	5.0	21	6.9
2, Moderately differentiated	161	13.8	44	14.5
3, Poorly differentiated	412	35.2	120	39.5
4, Undifferentiated	83	7.1	35	11.5
Unknown	456	39.0	84	27.6
Overall Survival, years	4.1	3.4	3.4	3.1

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