Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Sep 7, 2017; 23(33): 6128-6136
Published online Sep 7, 2017. doi: 10.3748/wjg.v23.i33.6128
Table 1 Patient demographics by first-line treatment n (%)
First-line treatment
All newly treated patients
SSACCTTSSA + CCSSA + TTTT + CCIFSSA + IFSSA + TT + CC
n1345175281423132112258
59.6%33.3%3.6%1.9%1.4%0.1%0.1%0.00.0100.0%
Age (mean ± SD, yr)56.3 ± 9.554.7 ± 9.954.9 ± 10.553.5 ± 10.953.8 ± 10.159.3 ± 3.858.5 ± 3.5N/AN/A55.6 ± 9.7
18-246 (0.4)2 (0.3)0 (0)1 (2.4)0 (0)0 (0)0 (0)0 (0)0 (0)9 (0.4)
25-3420 (1.5)25 (3.3)4 (4.9)3 (7.1)0 (0)0 (0)0 (0)0 (0)0 (0)52 (2.3)
35-44121 (9.0)92 (12.2)9 (11.1)4 (9.5)4 (12.9)0 (0)0 (0)0 (0)0 (0)230 (10.2)
45-54371 (27.6)225 (29.9)18 (22.2)12 (28.6)12 (38.7)0 (0)0 (0)0 (0)0 (0)638 (28.3)
55-64651 (48.4)338 (44.9)39 (48.1)20 (47.6)11 (35.5)3 (100.0)2 (100.0)1 (100.0)1 (100.0)1066 (47.2)
65+176 (13.1)70 (9.3)11 (13.6)2 (4.8)4 (12.9)0 (0)0 (0)0 (0)0 (0)263 (11.6)
Female677 (50.3)341 (45.3)40 (49.4)26 (61.9)17 (54.8)1 (33.3)1 (50.0)0 (0.0)0 (0.0)1103 (48.8)
Region
Midwest321 (23.9)183 (24.3)20 (24.7)13 (31.0)7 (22.6)0 (0)1 (50.0)0 (0)0 (0)545 (24.1)
Northeast261 (19.4)150 (19.9)12 (14.8)11 (26.2)7 (22.6)1 (33.3)0 (0)0 (0)0 (0)442 (19.6)
South563 (41.9)323 (43.0)36 (44.4)12 (28.6)15 (48.4)2 (66.7)1 (50.0)0 (0)1 (100.0)953 (42.2)
West200 (14.9)96 (12.8)13 (16.0)6 (14.3)2 (6.5)0 (0)0 (0)1 (100.0)0 (0)318 (14.1)
Year of treatment initiation130 (9.7)41 (5.5)4 (4.9)2 (4.8)1 (3.2)0 (0)0 (0)1 (100.0)0 (0)179 (7.9)
2009
2010271 (20.1)122 (16.2)4 (4.9)11 (26.2)7 (22.6)0 (0)1 (50.0)0 (0)0 (0)416 (18.4)
2011282 (21.0)159 (21.1)15 (18.5)17 (40.5)5 (16.1)0 (0)0 (0)0 (0)0 (0)478 (21.2)
2012270 (20.1)168 (22.3)33 (40.7)4 (9.5)10 (32.3)0 (0)1 (50.0)0 (0)1 (100.0)487 (21.6)
2013268 (19.9)174 (23.1)16 (19.8)3 (7.1)4 (12.9)2 (66.7)0 (0)0 (0)0 (0)467 (20.7)
2014124 (9.2)88 (11.7)9 (11.1)5 (11.9)4 (12.9)1 (33.3)0 (0)0 (0)0 (0)231 (10.2)
Days of follow-up
Mean621514454588425244675836496576
(SD)(468.5)(409.1)(403.6)(424.1)(269.6)(140.7)(145.7)N/AN/A(447.1)
Median500393290455360216675836496454