Table E2.
Baseline characteristics of 11 postoperative patients before the onset of COVID-19
| Case ID | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Severity | Critical | Critical | Critical | Severe | Severe | Severe | Severe | Nonsevere | Nonsevere | Nonsevere | Nonsevere |
| Age, y | 63 | 68 | 56 | 62 | 61 | 57 | 57 | 51 | 52 | 66 | 69 |
| Sex | Male | Male | Female | Male | Male | Male | Male | Male | Female | Female | Male |
| Comorbidity | IP | COPD Colon cancer |
HTN CAD | No | No | CAD | COPD | HTN | No | HBV CAD |
COPD |
| Cigarette smoking | Current | Formal | No | Current | Current | No | Current | No | No | No | Current |
| Smoking index | 1600 | 1600 | 0 | 400 | 800 | 0 | 600 | 0 | 0 | 0 | 400 |
| FEV1 | 2.49 | 1.39 | 2.77 | _ | 2.42 | 3.07 | 2.36 | 3.17 | 2.54 | 2.04 | 3.06 |
| FEV1/FVC% | 70.1 | 58.52 | 72.51 | _ | 83 | 75.11 | 65.09 | 75.25 | 84 | 85 | 64.93 |
| Operation | RLLL | RLLL | RLLL | McKeown EE | LLLL | LLLL + S4S5 sleeve resection | RULL | RLLW | LULL | LULW + LLLBSE | McKeown EE |
| Lymphadenectomy | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Approach | VATS | Open | VATS | Open | VATS | Open | VATS | VATS | VATS | VATS | Open |
| Duration of surgery (min) | 200 | 280 | 110 | 410 | 150 | 220 | 165 | 140 | 170 | 130 | 385 |
| GGO on preoperative CT | Yes | No | No | No | No | No | No | No | No | Yes | No |
| First CT sign of COVID-19 | Consolidation | Subsolid opacity | Consolidation | GGO | GGO | GGO | GGO | GGO | GGO | GGO | GGO |
| Post-op complication | No | PAL | No | No | No | No | No | No | H + SCA | No | No |
| Pre-op pathology | LSCC | LADC | _ | SCC | _ | _ | _ | _ | _ | _ | SCC |
| Post-op pathology | LSCC | LADC | PSP | ESCC | LADC | LADC | LADC | BE | LADC | LADC | ESCC |
| pTNM | T2aN0M0R0 | T1N2 M0R0 | NA | T3N0 M0R0 | T2N2 M0R0 | T2N2 M0R0 | T1bN0 M0R0 | NA | T1bN0 M0R0 | T1aN0R0 T1bN0R0 |
T1bN0 M0R0 |
| Stage | IA | IIIA | NA | IIB | IIIA | IIIA | IA | NA | IA | IA, IB | IB |
IP, Interstitial pneumonia; COPD, chronic obstructive pulmonary disease; HTN, hypertension; CAD, atherosclerosis of coronary artery; HBV, hepatitis B virus; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; RLLL, right lower lobe lobectomy; McKewon EE, McKewon esophagectomy with gastric tube interposition; LLLL, left lower lobe lobectomy; RULL, right upper lobe lobectomy; RLLW, right lower lobe wedge resection; LULL, left upper lobe lobectomy; LLLBSE, left lower lobe basal segmentectomy; VATS, video-assisted thoracic surgery; GGO, ground-glass opacity; CT, computed tomography; COVID-19, coronavirus disease 2019; Post-op, postoperative; PAL, prolonged air leak; H + SCA, hypokalemia/sudden cardiac arrest; Pre-op, preoperative; LSCC, lung squamous cell cancer; LADC, lung adenocarcinoma; SCC, squamous cell carcinoma; PSP, pulmonary sclerosing pneumocytoma; ESCC, esophageal squamous cell cancer; BE, bronchiectasis; NA, not available.