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Page 4 of 7 Freedman. Hepatoma Res 2020;6:10 I http://dx.doi.org/10.20517/2394-5079.2019.32

Figure 1. Age distribution of subjects in the study. The Y-axis is the number of patients per age group and the X-axis the age groups

Table 1. Baseline and outcome characteristics
80+ % 70-80 % P
n 32 161
Age [median (min-max)] 74.2 (70-79.6) 82.3 (80.1-86.3)
Male 21 66% 131 81% 0.08
Associated liver disease 19 59% 129 80% 0.021
Alcohol 8 25% 63 39% 0.189
Hemochromatosis 1 3% 5 3% NS
Hepatitis B 0 0% 4 2% NS
Hepatitis C 1 3% 34 21% 0.016
NASH 5 16% 25 16% NS
Porfyria 1 3% 2 1% NS
Child-Pugh
A 24 75% 114 71% NS
B 4 13% 18 11% NS
C 0 0% 0 0% NS
Missing 4 13% 28 17% NS
MELD [median (min-max)] 6.58 (0.86-22.78) 6.26 (0-19.32) NS
ASA
1 0 0% 2 1% NS
2 7 22% 39 24% NS
3 21 66% 93 58% NS
4 4 13% 25 16% NS
Number of tumours
1 20 63% 88 55% NS
2 6 19% 34 21% NS
3+ 6 19% 36 22% NS
Max diameter [median (min-max)] 22 (11-37) 20 (8-58) NS
Clavien-Dindo class
0-1 28 84% 142 88% NS
2 4 13% 12 7% NS
3a 0 0% 5 3% NS
3b 0 0% 1 1% NS
4a 0 0% 1 1% NS
4b 0 0% 0 0% NS
5 0 0% 0 0% NS
Postop stay [median (min-max)] 1 (0-5) 1 (0-32) NS
Number of subsequent liver treatments 1 (1-6) 2 (1-7) NS

Baseline characteristics and complications following microwave ablation for hepatocellular carcinoma in elderly patients. Only
associated liver disease reached statistical significance with a P-value < 0.05. NASH: Non Alcohol Steato Hepatitis; MELD: Model for
Endstage Liver Disease; ASA: American Society of Anaesthetists physical status classification