Table 2.
Statistical comparison of liver volume measurements before and after operation and between observers
| Segments II and III | Rest of the liver | Total liver | ||||
|---|---|---|---|---|---|---|
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|
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| Mean±SD | P | Mean±SD | P | Mean±SD | P | |
| Observer 1–Preoperative volume | 223.1±81.4 | <0.001 | 1155.3±301.5 | 0.006 | 1378.4±345.2 | <0.001 |
| Observer 1–Postoperative volume | 138.2±92 | 1037.5±299.4 | 1175.8±365.5 | |||
|
| ||||||
| Observer 2–Preoperative volume | 205.6±77.6 | <0.001 | 1177.1±297.9 | 0.003 | 1382.8±341 | <0.001 |
| Observer 2–Postoperative volume | 130.1±92.3 | 1047.5±299 | 1177.7±359.5 | |||
|
| ||||||
| Observer 1–Preoperative volume | 223.1±81.4 | <0.001 | 1155.3±301.5 | 0.001 | 1378.4±345.2 | 0.391 |
| Observer 2–Preoperative volume | 205.6±77.6 | 1177.1±297.9 | 1382.8±341 | |||
|
| ||||||
| Observer 1–Postoperative volume | 138.2±92 | <0.001 | 1037.5±299.4 | 0.411 | 1175.8±365.5 | 0.877 |
| Observer 2–Postoperative volume | 130.1±92.3 | 1047.5±299 | 1177.7±359.5 | |||
|
| ||||||
| Observer 1–Volume change, % | 38.4 | 0.363 | 8.2 | 0.388 | 13.4 | 0.977 |
| Observer 2–Volume change, % | 36.4 | 9.1 | 13.4 | |||
All measurements are presented as mean±standard deviation (mL), except for volume change, which is presented as percentile.
SD, standard deviation.