Table 1 Patients’ clinical characteristics (N = 93)
Before PSM | After PSM | |||||
|---|---|---|---|---|---|---|
ArtiSential® (n = 32) | Straight (n = 61) | P value | ArtiSential® (n = 32) | Straight (n = 20) | P value | |
Age (years) | 0.183 | 0.229 | ||||
≥ 65 | 15 (46.9) | 20 (32.8) | 15 (46.9) | 6 (30.0) | ||
< 65 | 17 (53.1) | 41 (67.2) | 17 (53.1) | 14 (70.0) | ||
Sex | 0.167 | 0.156 | ||||
M | 24 (75.0) | 37 (60.7) | 24 (75.0) | 11 (55.0) | ||
F | 8 (25.0) | 24 (39.3) | 8 (25.0) | 9 (45.0) | ||
BMI (kg/m2) | 0.491 | 0.786 | ||||
≥ 25 | 10 (31.3) | 15 (24.6) | 10 (31.3) | 7 (35.0) | ||
< 25 | 22 (68.8) | 46 (75.4) | 22 (68.8) | 13 (65.0) | ||
Comorbidity | 0.061 | 0.914 | ||||
Yes | 26 (81.3) | 38 (62.3) | 26 (81.3) | 16 (80.0) | ||
No | 6 (18.8) | 23 (37.7) | 6 (18.8) | 4 (20.0) | ||
Preoperative CEA (ng/mL) (n = 86) | 0.711 | 0.51 | ||||
> 5 | 9 (28.1) | 15 (24.6) | 9 (28.1) | 4 (20.0) | ||
≤ 5 | 23 (71.9) | 46 (75.4) | 23 (71.9) | 16 (80.0) | ||
Distance from AV (cm) | 0.160 | 0.556 | ||||
≥ 5 | 27 (84.4) | 57 (93.4) | 27 (84.4) | 18 (90.0) | ||
< 5 | 5 (15.6) | 4 (6.6) | 5 (15.6) | 2 (10.0) | ||
Clinical T category | 0.605 | 0.422 | ||||
cT0/1 | 2 (6.3) | 9 (14.8) | 2 (6.3) | 1 (5.0) | ||
cT2 | 4 (12.5) | 9 (14.8) | 4 (12.5) | 4 (20.0) | ||
cT3 | 21 (65.6) | 33 (54.1) | 21 (65.6) | 14 (70.0) | ||
cT4 | 5 (15.6) | 10 (16.4) | 5 (15.6) | 1 (5.0) | ||
Clinical N category | *0.004 | 0.7 | ||||
cN0 | 5 (15.6) | 28 (45.9) | 5 (15.6) | 4 (20.0) | ||
cN+ | 27 (84.4) | 33 (54.1) | 27 (84.4) | 16 (80.0) | ||
Clinical M category | 0.847 | 0.548 | ||||
cM0 | 29 (90.6) | 56 (91.8) | 29 (90.6) | 19 (95.0) | ||
cM1 | 3 (9.4) | 5 (8.2) | 3 (9.4) | 1 (5.0) | ||
Neoadjuvant CRT | *0.002 | 0.337 | ||||
Yes | 22 (68.8) | 21 (34.4) | 22 (68.8) | 11 (55.0) | ||
No | 10 (31.3) | 40 (65.6) | 10 (31.3) | 9 (45.0) | ||