TABLE 1.
Patients Characteristics
| All Patients | Patients With Small Stapler Size | Patients With Large Stapler Size | P | |
|---|---|---|---|---|
| Number | 356 | 147 | 209 | |
| Age (yrs)* | 65 ± 12 | 65 ± 13 | 65 ± 12 | 0.602 |
| Gender* | 0.001 | |||
| Female | 102 (29) | 56 (38) | 46 (22) | |
| Male | 254 (71) | 91 (62) | 163 (78) | |
| BMI (kg/m2)† | 26.0 ± 4.3 | 25.8 ± 4.3 | 26.1 ± 4.3 | 0.522 |
| ASA* | 0.558 | |||
| 1 | 15 (4) | 5 (3) | 10 (5) | |
| 2 | 211 (59) | 83 (57) | 128 (61) | |
| 3 | 125 (35) | 56 (38) | 69 (33) | |
| 4 | 5 (1) | 3 (2) | 2 (1) | |
| Preoperative chemotherapy | 139 (39) | 50 (34) | 89 (43) | 0.122 |
| Preoperative radiotherapy | 44 (12) | 14 (10) | 30 (14) | 0.193 |
| Additional distal esophageal resection | 142 (40) | 57 (39) | 85 (41) | 0.743 |
| Malignancy | 0.375 | |||
| Yes | 345 (97) | 144 (98) | 201 (96) | |
| No | 11 (3) | 4 (2) | 8 (4) | |
| Resection status | 0.371 | |||
| R0 | 288 (86) | 117 (83) | 171 (87) | |
| R1/2 | 49 (14) | 24 (17) | 25 (13) | |
| UICC stage‡ | 0.768 | |||
| 0 | 14 (4) | 6 (4) | 8 (4) | |
| I | 74 (22) | 36 (26) | 38 (20) | |
| II | 75 (22) | 30 (21) | 45 (23) | |
| III | 92 (28) | 38 (27) | 54 (28) | |
| IV | 80 (24) | 31 (22) | 49 (25) | |
| Postoperative chemotherapy | 103 (29) | 41 (28) | 62 (30) | 0.724 |
| Postoperative radiotherapy | 10 (3) | 5 (3) | 5 (2) | 0.747 |
Data are presented as mean ± standard deviation or n (%).
*Matched parameter.
†Matched for weight and height.
‡n = 335 (patients without malignancy [n = 11] and patients with unknown UICC stage [n = 10] were excluded).