Gynecologic oncologists involvement on ovarian cancer standard of care receipt and survival

Table 1 Characteristics of ovarian cancer patients who received any initial surgical procedure by physician specialty (n = 6714)

Characteristic	Surgeon specialty1
	GO	Non-GO
		OBGYN	General surgeon	Other2
No. of patients	2254	3088	914	419
Mean age at diagnosis (stddev)	74.6 (5.9)	74.8 (6.1)	77.0 (6.8)	75.5 (6.2)
Race n (%)
White	1995 (88.5)	2844 (92.1)	827 (90.5)	379 (90.5)
African American	121 (5.4)	104 (3.4)	49 (5.4)	26 (6.2)
Hispanic	35 (1.6)	31 (1.0)	3	3
Asian	53 (2.4)	66 (2.1)	3	3
Other4	47 (2.1)	37 (1.2)	3	3
Marital status
Married	1052 (46.7)	1424 (46.1)	327 (35.8)	170 (40.6)
Single	159 (7.1)	221 (7.2)	53 (5.8)	31 (7.4)
Divorced	148 (6.6)	166 (5.4)	58 (6.3)	29 (6.9)
Widowed	799 (35.4)	1168 (37.8)	458 (50.1)	176 (42.0)
Separated/unknown	96 (4.2)	109 (3.5)	3	3
Charlson-Klabunde comorbidity score
0	1521 (67.5)	2133 (69.1)	605 (66.2)	266 (63.5)
1	498 (22.1)	644 (20.9)	188 (20.6)	93 (22.2)
2	175 (7.8)	189 (6.1)	78 (8.5)	38 (9.1)
3	45 (2.0)	80 (2.6)	29 (3.2)	3
4 or more	3	42 (1.4)	3	3
FIGO treatment stage
IA/IB	200 (8.9)	383 (12.4)	66 (7.2)	43 (10.3)
IC/II	276 (12.2)	516 (16.7)	90 (9.8)	40 (9.5)
IIIA/IIIB	119 (5.3)	179 (5.8)	59 (6.5)	3
IIIC/IV	1580 (70.1)	1898 (61.5)	660 (72.2)	308 (73.5)
Unstaged/NOS	79 (3.5)	112 (3.7)	39 (4.2)	3
Histology
Serous	1460 (64.8)	1897 (61.4)	554 (60.6)	254 (60.6)
Endometrioid	238 (10.6)	381 (12.3)	73 (8.0)	46 (11.0)
Mucinous	129 (5.7)	235 (7.6)	79 (8.6)	25 (6.0)
Clear cell	84 (3.7)	127 (4.1)	3	3
Adenocarcinoma	275 (12.2)	344 (11.1)	175 (19.1)	66 (15.8)
Other5	68 (3.1)	104 (3.3)	20 (2.2)	3

¹Surgeon specialty was categorized according to the most specialized care received during the course of the treatment window;

²39 women received a surgery procedure code during the treatment window (defined as a period of two months prior and one year after a patient’s diagnosis date in which procedures were performed) but surgeon specialty could not be identified;

³Denotes cell size suppression of less than 20;

⁴Other race includes designation of “Other” or Native American;

⁵Other histology includes Transitional. GO: Gynecologic oncologists; FIGO: International Federation of Gynecologists and Obstetricians; NOS: Not otherwise specified.