Table 1.
Summary of demographic and clinical characteristics of patients undergoing esophageal surgery
| Characteristics | AL (n = 9) |
Controls (n = 22) |
|---|---|---|
| Gender | ||
| Male | 9 (100) | 16 (73) |
| Female | 0 (0) | 6 (27) |
| Age, years | 70 (40–81) | 61 (46–79) |
| Missing urine samples | 3 (11) | 1 (2) |
| Location of the anastomosis | ||
| Cervical | 2 (22) | 8 (36) |
| Thoracic | 7 (78) | 14 (64) |
| Type of carcinoma | ||
| Adenocarcinoma | 5 (56) | 16 (73) |
| Squamous cell carcinoma | 1 (11) | 5 (23) |
| Other | 3 (33) | 1 (5) |
| Location of tumor | ||
| Upper third | 0 (0) | 0 (0) |
| Middle third | 0 (0) | 0 (0) |
| Lower third or gastroesophageal | ||
| junction | 9 (100) | 22 (100) |
| Neoadjuvanttreatment | ||
| Chemoradiotherapy | 9 (100) | 20 (91) |
| None | 0 (0) | 2 (9) |
| Lymph nodes resected | 20 (13–32) | 19 (6–38) |
| Radical surgery | 9 (100) | 21 (95) |
| Comorbidities | ||
| Hypertension | 5 (56) | 9 (41) |
| Heart failure | 1 (11) | 3 (14) |
| Cardiac arrhythmia | 1 (11) | 0 (0) |
| COPD | 1 (11) | 2 (9) |
| Diabetes mellitus | 0 (0) | 4 (18) |
| Chronic kidney disease | 0 (0) | 3 (14) |
| Grading according to ECCG | ||
| Grade 1 | 1 (11) | |
| Grade 2 | 1 (11) | |
| Grade 3 | 7 (78) | |
| Other postoperative complications | ||
| Respiratory failure | 2 (22) | 1 (5) |
| Pneumonia | 1 (11) | 1 (5) |
| Atrial fibrillation | 1 (11) | 2 (9) |
| Other | 3 (33) | 3 (14) |
| Hospital stay, days | 31 (18–106) | 8 (6–17) |
| ICU stay, days | 19 (6–89) | 1 (0–7) |
| 30-Day mortality | 0 (0) | 0 (0) |
Data are n (%) and median (range).
AL, anastomotic leakage; COPD, chronic obstructive pulmonary disease; ECCG, Esophagectomy Complications Consensus Group; ICU, intensive care unit.