# Tor‐Ivar Karlsen

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/tor-ivar-karlsen/

## Facts

| Field | Value |
| --- | --- |
| Citations | 918 |
| Field | Bariatric Surgery and Outcomes |
| h-index | 15 |
| i10-index | 19 |
| Last Known Institution | University of Agder |
| OpenAlex ID | https://openalex.org/A5062217836 |
| ORCID iD | 0000-0001-6050-7901 |
| Works | 48 |

## Researcher papers

- [Obesity-related cardiovascular risk factors after weight loss: a clinical trial comparing gastric bypass surgery and intensive lifestyle intervention](https://scholariq.org/papers/obesity-related-cardiovascular-risk-factors-after-weight-loss-a-clinical-trial/)
- [Health-related quality of life after bariatric surgery: a systematic review of prospective long-term studies](https://scholariq.org/papers/health-related-quality-of-life-after-bariatric-surgery-a-systematic-review-of/)
- [Validity of the SF-36 in Patients with Morbid Obesity](https://scholariq.org/papers/validity-of-the-sf-36-in-patients-with-morbid-obesity/)
- [Standard vs Distal Roux-en-Y Gastric Bypass in Patients With Body Mass Index 50 to 60](https://scholariq.org/papers/standard-vs-distal-roux-en-y-gastric-bypass-in-patients-with-body-mass-index-50/)
- [Predictors of weight loss after an intensive lifestyle intervention program in obese patients: a 1-year prospective cohort study](https://scholariq.org/papers/predictors-of-weight-loss-after-an-intensive-lifestyle-intervention-program-in/)
- [Employment Is Associated with the Health-Related Quality of Life of Morbidly Obese Persons](https://scholariq.org/papers/employment-is-associated-with-the-health-related-quality-of-life-of-morbidly/)
- [Drivers and barriers of inter-municipal cooperation in health services – the Norwegian case](https://scholariq.org/papers/drivers-and-barriers-of-inter-municipal-cooperation-in-health-services-the/)
- [Exploring nursing competence to care for older patients in municipal in‐patient acute care: A qualitative study](https://scholariq.org/papers/exploring-nursing-competence-to-care-for-older-patients-in-municipal-in-patient/)
- [Asymmetry in inter-municipal cooperation in health services – How does it affect service quality and autonomy?](https://scholariq.org/papers/asymmetry-in-inter-municipal-cooperation-in-health-services-how-does-it-affect/)
- [Impact of body weight, low energy diet and gastric bypass on drug bioavailability, cardiovascular risk factors and metabolic biomarkers: protocol for an open, non-randomised, three-armed single centre study (COCKTAIL)](https://scholariq.org/papers/impact-of-body-weight-low-energy-diet-and-gastric-bypass-on-drug-bioavailability/)
- [Generic Health-Related Quality of Life May Not Be Associated with Weight Loss 4 Years After Bariatric Surgery: a Cross-Sectional Study](https://scholariq.org/papers/generic-health-related-quality-of-life-may-not-be-associated-with-weight-loss-4/)

## Researcher topics

- [Bariatric Surgery and Outcomes](https://scholariq.org/topics/bariatric-surgery-and-outcomes/)
- [Obesity and Health Practices](https://scholariq.org/topics/obesity-and-health-practices/)
- [Sexual function and dysfunction studies](https://scholariq.org/topics/sexual-function-and-dysfunction-studies/)
- [Cardiovascular Function and Risk Factors](https://scholariq.org/topics/cardiovascular-function-and-risk-factors/)
- [Nursing education and management](https://scholariq.org/topics/nursing-education-and-management/)

## Researcher university

- [University of Agder](https://scholariq.org/institutions/university-of-agder/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.