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. 2017 Oct 18;7(5):309–313. doi: 10.1080/20009666.2017.1374108

Table 2.

Insomnia severity.

Insomnia severity Number of patients
Clinically non-significant insomnia (ISI<8) 130 (64%)
Subclinical (ISI 8–14) 54 (26%)
Clinical or moderately severe (ISI 15–21) 14 (6.7%)
Severe (ISI 22–28) 7 (3.38%)
Total 205