Result: The most frequent mutations to
NNRTIs were
K103N (41.90%),
Y181C (28.12%),
G190A (26.48%),
K101E (11.71%),
V106M/A (10.94%),
V108I (7.44%), 221Y (7.22%) and
Y188H (5.91%).The proportion of
PI-associated DRMs showed a tendency to increase from 2012 to 2017(0, 0, 0.22, 0.98, 1.86 and 3.81%).