Table 4.
Baseline Characteristics of Patients with 1–2 cm Tumors According to Resection Method After PSM
| Variables | Total (n = 80) |
Endoscopic Resection (n = 40) |
Local Surgery (n = 40) |
P | SMD |
|---|---|---|---|---|---|
| Sex, n (%) | > 0.999 | 0.000 | |||
| Male | 36 (45.00) | 18 (45.00) | 18 (45.00) | ||
| Female | 44 (55.00) | 22 (55.00) | 22 (55.00) | ||
| Age, n (%) | 0.884 | 0.111 | |||
| < 45 | 19 (23.75) | 9 (22.50) | 10 (25.00) | ||
| 45–59 | 24 (30.00) | 13 (32.50) | 11 (27.50) | ||
| ≥ 60 | 37 (46.25) | 18 (45.00) | 19 (47.50) | ||
| Reason for presentation, n (%) | 0.813 | 0.053 | |||
| Incidental | 53 (66.25) | 27 (67.50) | 26 (65.00) | ||
| Symptomatic | 27 (33.75) | 13 (32.50) | 14 (35.00) | ||
| EUS evaluation, n (%) | 0.813 | 0.053 | |||
| No | 53 (66.25) | 26 (65.00) | 27 (67.50) | ||
| Yes | 27 (33.75) | 14 (35.00) | 13 (32.50) | ||
| Grade, n (%) | > 0.999 | 0.000 | |||
| G1 | 70 (87.50) | 35 (87.50) | 35 (87.50) | ||
| G2 | 10 (12.50) | 5 (12.50) | 5 (12.50) | ||
| G3 | 0 (0.00) | 0 (0.00) | 0 (0.00) | ||
| PNI/LVI, n (%) | > 0.999 | 0.089 | |||
| Negative | 73 (91.25) | 37 (92.50) | 36 (90.00) | ||
| Positive | 7 (8.75) | 3 (7.50) | 4 (10.00) | ||
| T stage, n (%) | > 0.999 | 0.132 | |||
| T1 | 77 (96.25) | 38 (95.00) | 39 (97.50) | ||
| T2 | 3 (3.75) | 2 (5.00) | 1 (2.50) | ||
| T3 + T4 | 0 (0.00) | 0 (0.00) | 0 (0.00) | ||
| N stage, n (%) | > 0.999 | 0.000 | |||
| N0 | 78 (97.50) | 39 (97.50) | 39 (97.50) | ||
| N1 | 2 (2.50) | 1 (2.50) | 1 (2.50) | ||
| M stage, n (%) | > 0.999 | 0.000 | |||
| M0 | 80 (100.00) | 40 (100.00) | 40 (100.00) | ||
| M1 | 0 (0.00) | 0 (0.00) | 0 (0.00) |
EUS Endoscopic Ultrasonography, PNI/LVI perineural or lymphovascular invasion, SMD standardized mean difference.