Please assess the completion status of the following clinical trial:

Trial Title: Preoperative Cognitive Training for Postoperative Cognitive Dysfunction

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Aged 65 years of age or older, ASA I-III~2. Elective surgery (excluding neuro and cardiac surgery)~3. Date of surgery at least 10 days and up to one month from date of recruitment~4. Duration from induction of anaesthesia to end of anaesthesia minimum 2 hours~5. Expected post-operative hospital stay at least 48 hours~6. Able and willing to give informed consent~7. Literate~8. Willing to undergo cognitive and delirium assessments, perform daily cognitive training and able to return for follow-up assessments at 1 week, 3 months (phone call) and 1 year.~Exclusion Criteria:~1. Glasgow coma scale \< 15~2. Geriatric depression score (GDS-5) ≥ 2~3. Pre-existing psychiatric disorder or delirium~4. Severe visual, hearing or speech impairment~5. General anaesthetic within the last 6 months

- Gender: ALL
- Minimum Age: 65 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Control (Type: NO_INTERVENTION): Preoperative counselling will be given upon recruitment Patients will be given instructions to continue their normal routine.
- Cognitive Training (Type: EXPERIMENTAL): Preoperative counselling will be given upon recruitment Patients are taught cognitive training and are asked to perform a prescribed set of one-hour cognitive training daily for a minimum of 10 days and up to 1 month prior to surgery.

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