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. 2019 Feb 20;14:8. doi: 10.1186/s13011-019-0196-3

Table 2.

Comparison of most common underlying conditions in the methadone and opium groups

Underlying disease Frequency (percent) in methadone group Frequency (percent) in opium group Total frequency (percent)
Hypertension 14 (14.4%) 25 (18.2%) 39 (17%)
Diabetes 7 (7.2%) 21 (15.4%) 28 (12%)
Hyperlipidemia 6 (6.2%) 8 (5.8%) 14 (6%)
Ischemic heart disease 7 (7.2%) 10 (7.3%) 17 (7%)
No underlying disease 63 (65%) 73 (53.3%) 136 (58%)
Total 97 (100%) 137 (100%) 234 (100%)