Table 5.
Univariate analysis of variables by length of stay for those patients who did not have an anastomosis or a postoperative complication following hepatic resection during March 2005 to June 2011
| Variable (n = 90) | Days, median (range) | P-value |
|---|---|---|
| Age, years, median (range) | ||
| Quartile 1: 49.5 (35–54) | 3 (2–6) | |
| Quartile 2: 60 (55–63) | 4 (2–24) | 0.276 |
| Quartile 3: 66 (63–69) | 3 (2–21) | 0.919 |
| Quartile 4: 74.5 (64–80) | 4 (2–10) | 0.280 |
| ASA score: 1 or 2 (n = 80) | 3 (2–24) | |
| 3 or 4 (n = 10) | 4.5 (2–21) | 0.036 |
| Epidural (n = 5) | 6 (5–10) | |
| Intrathecal morphine (n = 78) | 3 (2–24) | 0.003 |
| Blood loss: <0.5 l (n = 62) | 3 (2–24) | |
| 0.5–1.0 l (n = 24) | 4 (2–17) | 0.114 |
| >1.0 l (n = 4) | 6 (5–10) | 0.005 |
| Hepatectomy: minor (n = 48) | 3 (2–24) | |
| Major (n = 42) | 4 (2–21) | 0.161 |
| Use of drain: No (n = 82) | 3 (2–24) | |
| Yes (n = 8) | 5 (4–10) | 0.004 |
| NSAIDs use: No (n = 35) | 4 (2–21) | |
| Yes (n = 8) | 3 (2–24) | 0.204 |
| Wound catheter use: None (n = 20) | 4 (2–10) | |
| Intermittent (n = 33) | 3 (2–6) | 0.300 |
| Continuous (n = 37) | 3 (2–24) | 0.013 |
| Postoperative i.v. fluid in first 24 h, median (range) | ||
| Quartile 1: 1 l (0–2 l) | 4 (2–24) | |
| Quartile 2: 2 l (2–3 l) | 3 (2–5) | 0.099 |
| Quartile 3: 3.5 l (3–8 l) | 3 (2–10) | 0.449 |
| Quartile 4: 4 l (3–9 l) | 4.5 (2–21) | 0.162 |
| Hepatic resection number | ||
| Quartile 1 | 4 (2–10) | |
| Quartile 2 | 3 (2–6) | 0.082 |
| Quartile 3 | 3 (2–10) | 0.015 |
| Quartile 4 | 3 (2–24) | 0.091 |
ASA, American Society of Anesthesiologists; NSAIDs, non-steroidal anti-inflammatory drugs.