Table 3 Patient characteristics after propensity score matching
From: Clinicopathological characteristics and prognosis of signet ring cell carcinoma of the gallbladder
SRC (n = 245) | Non-SRC (n = 245) | P Value | |
|---|---|---|---|
Age, years | |||
≤ 60 | 56 (22.9%) | 49 (20.0%) | 0.441 |
> 60 | 189 (77.1%) | 196 (80.0%) | |
Sex | |||
Male | 59 (24.1%) | 62 (25.3%) | 0.753 |
Female | 186 (75.9%) | 183 (74.7%) | |
Race | |||
White | 194 (79.2%) | 181 (73.9%) | 0.097 |
Black | 28 (11.4%) | 29 (11.8%) | |
Other | 23 (9.4%) | 35 (11.3%) | |
AJCC stage | |||
I–II | 110 (44.9%) | 110 (44.9%) | 1.000 |
III–IV | 73 (29.8%) | 73 (29.8%) | |
Unknown | 62 (25.3%) | 62 (25.3%) | |
Histologic grade | |||
Well-moderate | 18 (7.3%) | 18 (7.3%) | 1.000 |
Poor-undifferentiated | 227 (92.7%) | 227 (92.7%) | |
Surgery | |||
Yes | 219 (89.4%) | 220 (89.8%) | 0.882 |
No | 26 (10.6%) | 25 (10.2%) | |
Radiotherapy | |||
Yes | 38 (15.5%) | 30 (12.2%) | 0.296 |
No | 207 (84.5%) | 215 (87.8%) | |
Chemotherapy | |||
Yes | 85 (34.7%) | 91 (37.1%) | 0.572 |
No | 160 (65.3%) | 154 (62.9%) | |
Year of diagnosis | |||
1975–2009 | 142 (58.0%) | 60 (24.5%) | < 0.001 |
2010–2016 | 103 (42.0%) | 185 (75.5%) | |
Marital status | |||
Married | 127 (51.8%) | 119 (48.6%) | 0.471 |
Unmarried | 118 (48.2%) | 126 (51.4%) |