Prognostic Factors in Patients with Rhabdomyosarcoma Using Competing-Risks Analysis: A Study of Cases in the SEER Database
Table 1
Baseline characteristics of patients with rhabdomyosarcoma.
Variables
Classification
N
Cause-specific death (%)
Death due to other causes (%)
Total
3399
1335
344
Age
<19
1976 (58.1)
629 (47.1)
57 (16.6)
≥19
1423 (41.9)
706 (52.9)
287 (83.4)
Year
1986–1995
396 (11.7)
168 (12.6)
38 (11.0)
1996–2005
1250 (36.8)
527 (39.5)
130 (37.8)
2006–2015
1753 (51.5)
640 (47.9)
176 (51.2)
Race
White
2535 (74.6)
961 (72.0)
276 (80.3)
Black
580 (17.1)
249 (18.7)
51 (14.8)
Other
284 (8.3)
125 (9.3)
17 (4.9)
Sex
Male
1489 (43.8)
591 (44.3)
170 (49.4)
Female
1910 (56.2)
744 (55.7)
174 (50.6)
Marital
Married
682 (20.1)
341 (25.5)
137 (39.8)
Unmarried
2466 (72.6)
877 (65.7)
115 (33.5)
DSW
251 (7.3)
117 (8.8)
92 (26.7)
Site
Favorable
1118 (32.9)
350 (26.2)
102 (29.7)
Unfavorable
2281 (67.1)
985 (73.8)
242 (70.3)
Historic stage
Localized
1127 (48.7)
224 (16.8)
113 (32.8)
Regional
1169 (24.5)
409 (30.6)
116 (33.7)
Distant
1103 (26.8)
702 (52.6)
115 (33.5)
Tumor size (cm)
<5
868 (25.1)
199 (14.9)
73 (21.2)
5–10
969 (51.5)
360 (26.9)
86 (25.0)
≥10
748 (23.4)
388 (29.1)
94 (27.3)
Other
814 (23.9)
388 (29.1)
91 (26.5)
Laterality
Left
776 (22.8)
270 (20.2)
75 (21.8)
Right
1890 (55.6)
257 (19.3)
62 (18.0)
Not a paired site
733 (21.6)
808 (60.5)
207 (60.2)
HS
RMS
615 (18.1)
293 (21.9)
125 (36.3)
Embryonal
1321 (38.9)
354 (26.5)
52 (15.1)
Alveolar
843 (24.8)
451 (33.8)
53 (15.4)
Pleomorphic
352 (10.4)
154 (11.5)
91 (26.5)
Others
268 (7.8)
83 (6.2)
23 (6.7)
RS
NRS
2213 (65.1)
947 (70.9)
249 (72.4)
WRS
1167 (34.3)
382 (28.6)
94 (27.3)
IRS
19 (0.6)
6 (0.5)
1 (0.3)
Surgery
Yes
2127 (62.6)
680 (50.9)
233 (67.7)
No/unknown
1272 (37.4)
655 (49.1)
111 (32.3)
Chemotherapy
Yes
1926 (56.7)
1118 (83.7)
177 (51.5)
None/unknown
1473 (43.3)
217 (16.3)
167 (48.5)
Radiotherapy
Yes
2847 (83.8)
721 (54.0)
139 (40.4)
No/unknown
552 (16.2)
614 (46.0)
205 (59.6)
DSW: divorced and separated and widowed; RMS: rhabdomyosarcoma; HS: histology subtype; RS: radiation sequence with surgery; NRS: no radiation and/or cancer-directed surgery; WRS: radiation prior to surgery, radiation after surgery, and radiation before and after surgery.
