The Effect of Long-Term Traditional Chinese Medicine Treatment on Survival Time of Colorectal Cancer Based on propensity Score Matching: A Retrospective Cohort Study
Table 1
Baseline characteristics and clinical features of TCM group and the control group before and after PSM.
Group
Before PSM
After PSM
TCM n = 285
Control n = 244
value
TCM n = 175
Control n = 175
value
Gender
Male
170 (59.6)
147 (60.2)
0.889
106 (60.6)
102 (58.3)
0.663
Female
115 (40.4)
97 (39.8)
69 (39.4)
73 (41.7)
Pathology
None
16 (5.6)
9 (3.7)
0.247
11 (6.3)
8 (4.6)
0.510
Adenocarcinoma
259 (90.9)
226 (92.6)
160 (91.4)
159 (90.9)
Squamous cell Ca
1 (0.4)
4 (1.6)
1 (0.6)
4 (2.3)
Others
9 (3.2)
5 (2.0)
3 (1.7)
4 (2.3)
Stage
I
17 (6.0)
24 (9.8)
<0.001
14 (8.0)
10 (5.7)
0.538
II
58 (20.4)
93 (38.1)
44 (25.1)
57 (32.6)
III
90 (31.6)
71 (29.1)
66 (37.7)
60 (34.3)
IV
120 (42.1)
56 (23.0)
51 (29.1)
48 (27.4)
Histodifferentiation
Unknown
40 (14.0)
18 (7.4)
0.005
21 (12.0)
16 (9.1)
0.460
Low
14 (4.9)
8 (3.3)
3 (1.7)
8 (4.6)
Moderate
179 (62.8)
151 (61.9)
110 (62.9)
97 (55.4)
Moderate-low
16 (5.6)
47 (19.3)
11 (6.3)
35 (20.0)
Moderate-high
36 (12.6)
20 (8.2)
30 (17.1)
19 (10.9)
Location
Rectum
115 (40.4)
45 (18.4)
<0.001
43 (24.6)
43 (24.6)
1
Colon
170 (59.6)
199 (81.6)
132 (75.4)
132 (75.4)
Surgery
Yes
258 (90.5)
224 (91.8)
0.607
158 (90.3)
160 (91.4)
0.711
No
27 (9.5)
20 (8.2)
17 (9.7)
15 (8.6)
Chemotherapy
Yes
221 (77.5)
198 (81.1)
0.309
143 (81.7)
145 (82.9)
0.779
No
64 (22.5)
46 (18.9)
32 (18.3)
30 (17.1)
Hypertension
Yes
79 (27.7)
81 (33.2)
0.172
53 (30.3)
50 (28.6)
0.725
No
206 (72.3)
163 (66.8)
122 (69.7)
125 (71.4)
Diabetes
Yes
75 (26.3)
65 (26.6)
0.933
47 (26.9)
32 (18.3)
0.055
No
210 (73.7)
179 (73.4)
128 (73.1)
143 (81.7)
Smoking
Yes
122 (42.8)
60 (24.6)
<0.001
56 (32.0)
54 (30.9)
0.818
No
163 (57.2)
184 (75.4)
119 (68.0)
121 (69.1)
Drinking
Yes
68 (23.9)
55 (22.5)
0.720
35 (20.0)
36 (20.6)
0.894
No
217 (76.1)
189 (77.5)
140 (80.0)
139 (79.4)
Intestinal obstruction
Yes
33 (11.6)
45 (18.4)
0.026
23 (13.1)
31 (17.7)
0.236
No
252 (88.4)
199 (81.6)
152 (86.9)
144 (82.3)
Family history
Yes
89 (31.2)
58 (23.8)
0.056
50 (28.6)
47 (26.9)
0.720
No
196 (68.8)
186 (76.2)
125 (71.4)
128 (73.1)
Age
>60
220 (77.2)
204 (83.6)
0.065
146 (83.4)
140 (80.0)
0.407
≤60
65 (22.8)
40 (16.4)
29 (16.6)
35 (20.0)
PSM: propensity scores matching; , there was a significant statistical difference in the subgroup.