Please assess the completion status of the following clinical trial:

Trial Title: Outcomes of Intrathecal Analgesia in Colorectal Surgery

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: RETROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* All adult colorectal patients from October 2012 through December 2013 in which patients received single-injection IA as part of a multimodal analgesic strategy for ERP.~* Undergoing an elective colorectal operation (minimally invasive or open)~Exclusion Criteria:~* Patients aged \< 18 years~* American Society of Anesthesiologists (ASA) 5 and 6 classification~* pregnancy~* failure to provide research authorization.~* emergent operations

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Opioid Only Intrathecal (Type: None): None
- Opioid + Local Anesthetic Intrathecal (Type: None): None

Based on this trial design, predict the completion outcome and termination type (if applicable).