Table 1 Baseline characteristics of the patients (N = 675)
Variable | Survival (N = 428) | Death (N = 62) | Loss to follow up (N = 185) | P value |
|---|---|---|---|---|
Age, years, SD | 55.9 (11.2) | 54.8 (12.1) | 56.4 (13.4) | 0.676 |
Sex | 0.237 | |||
Male | 353 (82.5) | 56 (90.3) | 150 (81.1) | |
Female | 75 (17.5) | 6 (9.7) | 35 (18.9) | |
Education level | – | |||
Illiteracy | 32 (7.5) | 2 (3.2) | 13 (7.0) | |
Primary school | 91 (21.3) | 14 (22.6) | 33 (17.8) | |
Junior high school | 136 (31.8) | 16 (25.8) | 66 (35.7) | |
High school | 96 (22.4) | 16 (25.8) | 40 (21.6) | |
Junior college or above | 65 (15.2) | 13 (21.0) | 24 (13.0) | |
Unknown | 8 (1.9) | 1 (1.6) | 9 (4.9) | |
Marital status | – | |||
Unmarried | 5 (1.2) | 1 (1.6)2 | 5 (3.3) | |
Married | 415 (97.0) | 58 (93.5) | 176 (95.1) | |
Divorce | 2 (0.5) | 1 (1.6) | 1 (1.6) | |
Widowed | 6 (1.4) | 0 (0.0) | 0 (0.0) | |
Unknown | 0 (0.0) | 2 (3.2) | 3 (1.6) | |
Place of residence | – | |||
City | 116 (27.1) | 28 (45.2) | 66 (35.7) | |
Town | 129 (30.1) | 6 (9.7) | 59 (31.9) | |
Countryside | 183 (42.8) | 28 (45.2) | 58 (31.4) | |
Unknown | 0 (0.0) | 0 (0.0) | 2 (1.1) | |
Smoking | 0.000* | |||
Yes | 178 (41.6) | 13 (21.0) | 51 (27.6) | |
No | 250 (58.4) | 49 (79.0) | 134 (72.4) | |
Drinking | 0.006* | |||
Yes | 163 (38.1) | 12 (19.4) | 59 (31.9) | |
No | 265 (61.9) | 50 (80.6) | 126 (68.1) | |
Was there a history of hypertension? | ||||
Yes | 259 (61.5) | 26 (41.9) | 99 (53.5) | 0.006* |
No | 162 (38.5) | 36 (58.1) | 86 (46.5) | |
Types of aortic dissection | ||||
Stanford A | 79 (18.5) | 40 (64.5) | 40 (21.6) | 0.000* |
Stanford B | 349 (81.5) | 22 (35.5) | 145 (78.4) | |
Operation methods | 0.000* | |||
EVAR | 367 (85.7) | 23 (37.1) | 146 (78.9) | |
Open repair | 61 (14.3) | 39 (62.9) | 39 (21.1) | |
SBP, mmHg, SDs | 146.8 (28.1) | 137.1 (34.3) | 138.7 (26.3) | 0.001* |
DBP, mmHg, SDs | 82.6 (15.1) | 76.5 (18.0) | 78.7 (15.5) | 0.001* |
HR, SD | 80.1 (14.4) | 85.7 (21.1) | 81.1 (14.9) | 0.084 |
Length of stay, days, SD | 13.5 (9.1) | 13.5 (11.5) | 13.2 (13.7) | 0.320 |
Length of discharge, days, SD | 407.1 (114.6) | – | – | – |
Diagnosis made in the first visiting hospital | – | |||
Yes | 341 (79.9) | – | – | – |
No | 87 (20.3) | – | – | – |