Effectiveness of magnesium isoglycyrrhizinate on perioperative hepatic function protection in patients undergoing hepatectomy

Table 1 Demographics and baseline characteristics for the included analysis sets (n = 1711), n (%)

Characteristic	n = 1711
Median age (IQR), years	54.0 (46.0-62.0)
Sex
Male	781 (45.7)
Female	930 (54.4)
Comorbidities
Hypertension	254 (14.9)
Diabetes	142 (8.3)
Hyperlipidemia	29 (1.7)
Coronary heart disease	12 (0.7)
Smoking
Yes	411 (24.0)
No	1300 (76.0)
Drinking
Yes	257 (15.0)
No	1454 (85.0)
Preoperative liver biochemistry, median (IQR)
Alanine aminotransferase, U/L	23.0 (16.0-33.0)
Aspartate aminotransferase, U/L1	22.0 (17.0-29.0)
Total bilirubin, mg/dL2	12.0 (9.1-15.7)
Alkaline phosphatase, U/L3	76.0 (61.0-96.0)
Extent of resection
Major resection	942 (55.1)
Minor resection	769 (44.9)

¹1.3% missing rate.

²0.9% missing rate.

³40.4% missing rate.

Sum may not equal 100% because of rounding. Major liver resection indicates resection of at least half of the liver volume and minor liver resection indicates resection of one fourth or less of the liver volume. Smokers are based on the medical records. IQR: Interquartile range.