Table 2.
Patient demographics and oncological characteristics of both groups.
| Characteristics | SPLT-Overlap (n=70) | Traditional Overlap (n=88) | P value |
|---|---|---|---|
| Age (years) | 69.00 (65.00, 72.00) | 66.50 (60.25, 71.75) | 0.104 |
| Sex (male/female) | 15/55 | 25/63 | 0.316 |
| BMI (kg/m2) | 22.47 ± 3.46 | 22.41 ± 3.40 | 0.923 |
| Preoperative albumin (g/L) | 37.05 (33.50, 42.68) | 37.95 (33.43, 43.38) | 0.733 |
| Preoperative hemoglobin (g/L) | 110.00 (99.00, 131.25) | 107.00 (97.25, 137.50) | 0.914 |
| Preoperative CEA (ng/ml) | 3.72 (2.07, 5.85) | 3.35 (1.63, 6.31) | 0.554 |
| Preoperative CA199 (u/ml) | 16.17 (11.96, 19.04) | 14.70 (12.00, 17.32) | 0.192 |
| ASA score (1/2/3/4/5/6) | 0/59/11/0/0/0 | 2/72/13/1/0/0 | 0.688a |
| Tumor maximum diameter (cm) | 4.50 (3.00, 7.00) | 4.50 (3.00, 8.23) | 0.639 |
| Siewert type Type II Type III |
31 39 |
38 50 |
0.889 |
| Neoadjuvant chemotherapy | 12 | 14 | 0.835 |
| neurovascular invasion | 44 | 55 | 0.963 |
| T stage (1/2/3/4) | 29/10/22/9 | 37/12/28/11 | 0.999 |
| N stage (0/1/2/3) | 44/9/9/8 | 55/13/11/9 | 0.984 |
| TNM stage (I/II/III/IV) | 37/15/18/0 | 47/19/22/0 | 0.995 |
| Smoking | 17 | 21 | 0.951 |
| Drinking | 10 | 12 | 0.907 |
| Abdominal surgery history | 4 | 5 | 0.993 |
| Stroke history | 1 | 1 | 0.999b |
| Hypertension | 19 | 21 | 0.638 |
| CHD | 5 | 6 | 0.999b |
| T2DM | 2 | 3 | 0.999b |
| COPD | 10 | 12 | 0.907 |
| Hepatic sclerosis | 2 | 3 | 0.999b |
| Renal insufficiency | 8 | 9 | 0.809 |
| Gout | 4 | 5 | 0.999b |
| Hyperthyroidism or hypothyroidism | 1 | 2 | 0.999b |
| Rheumatoid arthritis | 1 | 2 | 0.999b |
| Preoperative obstruction | 13 | 13 | 0.522 |
| Preoperative bleeding | 14 | 16 | 0.772 |
BMI, body mass index; CEA, carcinoembryonic antigen; CA199, Carbohydrate antigen199; ASA, American Society of Anesthesiologists; CHD, coronary heart disease; T2DM, type 2 diabetes mellitus; COPD, chronic obstructive pulmonary disease; SPLT-Overlap, self-pulling and latter transection overlap anastomosis.
aFisher’s exact probability method.
bContinuous modification.