Effectiveness of Paritaprevir/r - Ombitasvir, ± Dasabuvir, ± Ribavirin in Patients With Chronic Hepatitis C - An Observational Study

SVR12 defined as the HCV ribonucleic acid (RNA) level less than 50 IU/mL 12 weeks after the last dose of study drug

Virological response defined as HCV RNA level less than 50 IU/mL.

Relapse defined as HCV RNA less than 50 IU/mL at EoT followed by HCV RNA greater than or equal to 50 IU/mL.

Breakthrough defined as at least 1 documented HCV RNA less than 50 IU/mL followed by HCV RNA greater than or equal to 50 IU/mL during treatment.

On-treatment virologic failure defined as breakthrough (at least 1 documented HCV RNA less than 50 IU/mL followed by HCV RNA greater than or equal to 50 IU/mL during treatment) or failure to suppress (each measured on-treatment HCV RNA value greater than or equal to 50 IU/mL). Relapse (defined as HCV RNA <50 IU/mL at EoT or at the last on-treatment HCV RNA measurement followed by HCV RNA ≥50 IU/mL post-treatment).

Premature study drug discontinuation category is defined as participants who prematurely discontinued study drug and who experienced no on-treatment virologic failure. The final SVR non-response category was defined as missing SVR12 data and/or none of the above criteria.

Percentage of the DAA dose taken in relation to the target dose of DAA (cumulative dose taken divided by target dose in percent), presented as the number of participants taking > 95% to ≤ 105% of the target dose and those taking > 80% to ≤ 95% of the target dose.

Percentage of the RBV dose taken in relation to the target dose of RBV (cumulative dose taken divided by target dose in percent), presented as the number of participants taking > 95% to ≤ 105% of the target dose and those taking > 80% to ≤ 95% of the target dose.

The PAM-13 item scale is a measure used to assess the patient knowledge, skill, and confidence for self-management. Each of the 13 items can be answered with one of four possible response options, which are "disagree strongly" (1), "disagree" (2), "agree" (3), "agree strongly" (4). Based on responses to the 13-item measure, the score is calculated by adding up the raw scores (range of the sum: 13 - 52) and mapping up the value onto a scale of 0-100 indicating strength of agreement with the 13 items. A higher score indicates that the patient is likely to participate more actively in health care processes and takes more responsibility for his or her health.

Percentage of participants using each component of the PSP, including personal support, educational and information material (printed, online) and additional digital and mobile resources (web-portal, app, and reminders).