There are multiple definitions:

1. Office of Scientific Integrity(English)

   • ORI, RCR
   • Ethics, Misconduct

2. Open Systems Interconnection(English)

   • Communication

3. oscillatory shear index(English)

   • TAWSS, WSS, ECAP, CFD, EC, EL, CD36, EPAS1, HSS, LIPG, LOSS, LSS, OCR, PAEC, PAS, PCSK9
   • Hemodynamics, Atherosclerosis /atherogenic, Endothelium, Epigenetics
   • https://doi.org…surg.2016.00035
   • https://doi.org…saha.123.324054

4. oxidative stress index(English)

   • HOMA-ß, TOS, AChE, CIS, GABA, PCA, TAC, WBC
   • Oxygen
   • https://doi.org…986-021-00639-z
   • https://doi.org…54.2022.2147430

5. office systems inventory(English)

   • VCHIP
   • Asthma
   • https://doi.org…03.2019.1702199

6. objective scatter index(English)

   • significantly higher in patients with MGD than patients with ADDE
   • ADDE, DED, MGD, OQAS, OSDI, SD
   • Ophthalmology
   • https://doi.org…ijo.IJO_1278_18

7. occupational stress indicator(English)

   • used to measure the sources of stress at work (managerial role, climate power, climate structure, internal relationships), and job satisfaction
   • HCW, HRM, JCS, MAAS
   • Occupational disease, Stress (test)
   • https://doi.org…/ijerph17113818

8. Ottawa self-injury(English)

   • EMS, NSSI, OSI-F, YSQ
   • Injury, Mental health
   • https://doi.org…888-023-05127-7

9. oxygen saturation index(English)

   • calculated as MAP × FiO2 × 100÷SpO2. Can be an alternate method of assessing severity of hypoxic respiratory failure
   • FiO2, HRF, MAP, OI
   • Oxygen, Clinical chemistry, Hemodynamics, Erythrocyte, Pulmonology
   • https://doi.org….1159/000369774