Table 4.
Characteristics of patients with and without significant DVAS improvement
| Characteristics n (%) or median [IQR] | < 2 DVAS improvement | ≥ 2 DVAS improvement | p-value |
|---|---|---|---|
| Number of patients | 19 | 24 | |
| Intrathoracic stomach | 58.9 [50.5, 75.2] | 66.2 [42.2, 90.8] | 0.912 |
| Postoperative complication | 0.171 | ||
| Dindo I | 2 (10.5) | 1 (4.2) | |
| Dindo II | 1 (5.3) | 0 (0.0) | |
| Dindo IIIa | 2 (10.5) | 0 (0.0) | |
| Dindo IIIb–V | 0 (0) | 0 (0) | |
| Length of stay (days) | 4.0 [3.0, 4.0] | 3.0 [3.0, 4.0] | 0.108 |
| Baseline dyspnoea scale | |||
| mMRC | 2.0 [2.0, 3.0] | 2.0 [2.0, 3.0] | 0.87 |
| DVAS | 5.0 [4.2, 6.0] | 6.0 [5.0, 8.0] | 0.046 |
| Dyspnoea scale gain | |||
| mMRC | + 1.0 [0.0, + 1.0] | + 1.5 [+ 1.0, + 2.0] | 0.017 |
| Worsening | 0 (0) | 0 (0.0) | 0.09 |
| statu quo | 5 (26.3) | 1 (4.2) | |
| 1 | 10 (52.6) | 11 (45.8) | |
| 2 | 4 (21.1) | 11 (45.8) | |
| 3 | 0 (0.0) | 1 (4.2) | |
| DVAS | + 1.0 [0.0, + 1.5] | + 3.3 [+ 2.9, + 4.5] | < 0.001 |
| Baseline PFT | |||
| FEV1 (L) | 1.9 [1.6, 2.1] | 1.9 [1.6, 2.9] | 0.951 |
| TLC (L) | 4.8 [4.3, 6.4] | 4.5 [4.2, 5.1] | 0.203 |
| FVC (L) | 2.3 [2.2, 2.9] | 2.3 [2.1, 2.6] | 0.642 |
| RV (L) | 2.3 [2.1, 2.8] | 2.2 [1.9, 2.5] | 0.276 |
| PFT % improvement | |||
| FEV1 (L) | + 5.7% [− 0.9%, + 16.8%] | + 8.4% [+ 4.1%, + 17.7%] | 0.42 |
| TLC (L) | + 0.4% [− 3.7%, + 8.8%] | + 6.4% [− 0.3%, + 10.6%] | 0.179 |
| FVC (L) | + 8.1% [+ 4.0%, + 18.8%] | + 10.7% [+ 2.9%, + 19.8%] | 0.807 |
| RV (L) | + 0.5% [− 12.4%, + 37.5%] | + 0.5% [− 8.7%, + 13.0%] | 0.961 |
DVAS dyspnoea visual analogue scale, FEV1 forced expiratory volume in one second, FVC forced vital capacity, mMRC modified medical research council, PFT pulmonary function test, RV residual volume, TLC total lung capacity