Table 3.
The Postoperative Assessment for Patients with EC
| Variables | Observation (n=40) | Control (n=40) | Statistics | P |
|---|---|---|---|---|
| Time in ICU, n (%) | Z= −1.642 | 0.101 | ||
| 1 | 20 (50.00) | 14 (35.00) | ||
| 2 | 20 (50.00) | 23 (57.50) | ||
| 3 | 0 (0.00) | 3 (7.50) | ||
| Postoperative pain score Day1, n (%) | Z= −4.292 | <0.001 | ||
| 3 | 12 (30.00) | 5 (12.50) | ||
| 4 | 12 (30.00) | 4 (10.00) | ||
| 5 | 16 (40.00) | 14 (35.00) | ||
| 6 | 0 (0.00) | 10 (25.00) | ||
| 7 | 0 (0.00) | 7 (17.50) | ||
| Postoperative pain score Day2, n (%) | Z= −1.367 | 0.172 | ||
| 3 | 19 (47.50) | 13 (32.50) | ||
| 4 | 9 (22.50) | 13 (32.50) | ||
| 5 | 12 (30.00) | 9 (22.50) | ||
| 6 | 0 (0.00) | 5 (12.50) | ||
| Postoperative pain score Day3, n (%) | Z= −3.363 | <0.001 | ||
| 2 | 14 (35.00) | 4 (10.00) | ||
| 3 | 21 (52.50) | 20 (50.00) | ||
| 4 | 5 (12.50) | 15 (37.50) | ||
| 5 | 0 (0.00) | 1 (2.50) | ||
| LOPS, days, M(Q25, Q75) | 7.00 (7.00, 8.00) | 8.00 (7.00, 8.50) | Z= −2.119 | 0.034 |
24-h PO2/FIO2, 
|
296.50±33.71 | 282.75±34.19 | t=1.811 | 0.074 |
| 48-h PO2/FIO2, M(Q25, Q75) | 290.00 (265.00, 315.00) | 255.00 (245.00, 280.00) | Z=3.747 | <0.001 |
| Pulmonary infection, n (%) | χ2=4.114 | 0.043 | ||
| No | 38 (95.00) | 32 (80.00) | ||
| Yes | 2 (5.00) | 8 (20.00) | ||
| FOB, n (%) | - | 0.359 | ||
| No | 39 (97.50) | 36 (90.00) | ||
| Yes | 1 (2.50) | 4 (10.00) | ||
| Lymphatic metastasis, n (%) | χ2=1.526 | 0.217 | ||
| No | 9 (22.50) | 14 (35.00) | ||
| Yes | 31 (77.50) | 26 (65.00) |
Note: Using Fisher test.
Abbreviations: EC, esophageal carcinoma; ICU, intensive care unit; LOPS, the length of postoperative stay; PO2/FIO2, partial pressure of oxygen /fraction of inspiration oxygen; FOB, fiberoptic bronchoscopy.