## Protocol Section
### Identification Module
**NCT ID:** NCT06419725

**Brief Title:** Temporal Trends in Nonattendence Rate for Scheduled Outpatient Appointments.

**Official Title:** Temporal Trends in Nonattendence Rate for Scheduled Outpatient Appointments.

#### Organization Study ID Info
**ID:** 6922
#### Organization
**Class:** OTHER
**Full Name:** Hospital Italiano de Buenos Aires
### Status Module
#### Completion Date
**Date:** 2023-12-31

**Type:** ACTUAL

#### Expanded Access Info
#### Last Update Post Date
**Date:** 2024-05-17

**Type:** ACTUAL

**Last Update Submit Date:** 2024-05-14

**Overall Status:** COMPLETED

#### Primary Completion Date
**Date:** 2023-12-31

**Type:** ACTUAL

#### Start Date
**Date:** 2016-01-01

**Type:** ACTUAL

**Status Verified Date:** 2024-05

#### Study First Post Date
**Date:** 2024-05-17
**Type:** ACTUAL
**Study First Submit Date:** 2024-05-14
**Study First Submit QC Date:** 2024-05-14
### Sponsor Collaborators Module

#### Lead Sponsor

**Class:** OTHER

**Name:** Hospital Italiano de Buenos Aires

#### Responsible Party

**Investigator Affiliation:** Hospital Italiano de Buenos Aires

**Investigator Full Name:** LUCIA.PEREZ

**Investigator Title:** Pediatrician. Non-sponsored research. Research Secretary of the University Italian Hospital of Buenos Aires.

**Type:** PRINCIPAL_INVESTIGATOR

### Oversight Module

**Is FDA Regulated Device:** False

**Is FDA Regulated Drug:** False

### Description Module

**Brief Summary:** Ecological time-series study using secondary databases.

**Detailed Description:** A time-series study will be conducted to evaluate nonattendance over time. The unit of analysis will be the appointment.

### Conditions Module

**Conditions:**

- Patient Non Attendance to Medical Care

**Keywords:**

- No Show Patients

- Patient Non Attendance

- Patient absenteeism

- Patient compliance

### Design Module

#### Design Info

**Observational Model:** ECOLOGIC_OR_COMMUNITY

**Time Perspective:** RETROSPECTIVE

#### Enrollment Info

**Count:** 13823093

**Type:** ACTUAL

**Study Type:** OBSERVATIONAL

### Outcomes Module

#### Primary Outcomes

**Measure:** Describe the behavior over time of the nonattendance proportion in scheduled outpatient medical appointments for in-person medical care over an 8-year period (globally and by subgroups: gender, age, medical specialty, and medical coverage).

**Time Frame:** 2016 to 2023

**Measure:** Evaluate temporal trends and changes (joinpoints) in the absenteeism proportion in scheduled outpatient medical appointments for in-person medical care over the same period.

**Time Frame:** 2016 to 2023

### Eligibility Module

**Eligibility Criteria:** Inclusion Criteria:

* Appointments scheduled for outpatient medical care across all settings and specialties from January 1, 2016, to December 31, 2023

Exclusion Criteria:

* Cancelled appointments, including cancellations made by the patient, medical team, and the appointment management system.
* Appointments that do not correspond to scheduled in-person care (Teleconsultations,
* Appointments for walk-in demand).
* Scheduled appointments that are not for medical care (Health coverage or specialties that do not correspond to scheduled medical care, Appointments for procedures,
* Appointments for complementary exams, Appointments for treatments such as speech therapy, physiotherapy, or other therapies).
* Spontaneous overflow appointments where the patient spontaneously presents for care at that moment. These appointments cannot be absent as the present and the appointment are assigned simultaneously.
* System errors that do not correspond to actual patient medical care appointments (Duplicate cancellations, Appointments where patient and physician coincide).

**Maximum Age:** 110 Years

**Minimum Age:** 0 Years

**Sampling Method:** PROBABILITY_SAMPLE

**Sex:** ALL

**Standard Ages:**

- CHILD

- ADULT

- OLDER_ADULT

**Study Population:** The study population comprises individuals who requested at least one appointment for scheduled outpatient medical care at Hospital Italiano de Buenos Aires during the study period in any of its settings.

### Contacts Locations Module

#### Locations

**Location 1:**

**City:** Ciudad Autonoma de Buenos Aire

**Country:** Argentina

**Facility:** Hospital Italiano de Buenos Aires

**Zip:** 1406

### IPD Sharing Statement Module

**IPD Sharing:** NO

### References Module

#### References

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**PMID:** 24235820

**Citation:** Giunta DH, Alonso Serena M, Luna D, Peroni ML, Sanchez Thomas D, Binder F, Blugerman GA, Fuentes N, Elizondo CM, Gonzalez Bernaldo de Quiros F. Association between non-attendance to outpatient clinics and emergency department consultations, hospitalizations and mortality in a Health Maintenance Organization. Int J Health Plann Manage. 2020 Sep;35(5):1140-1156. doi: 10.1002/hpm.3021. Epub 2020 Jul 9.

**PMID:** 32648278

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**Citation:** Kheirkhah P, Feng Q, Travis LM, Tavakoli-Tabasi S, Sharafkhaneh A. Prevalence, predictors and economic consequences of no-shows. BMC Health Serv Res. 2016 Jan 14;16:13. doi: 10.1186/s12913-015-1243-z.

**PMID:** 26769153

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**Citation:** Jabalera Mesa ML, Morales Asencio JM, Rivas Ruiz F, Porras Gonzalez MH. [Analysis of economic cost of missed outpatient appointments]. Rev Calid Asist. 2017 Jul-Aug;32(4):194-199. doi: 10.1016/j.cali.2017.01.004. Epub 2017 May 2. Spanish.

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**PMID:** 31200720

**Citation:** Karter AJ, Parker MM, Moffet HH, Ahmed AT, Ferrara A, Liu JY, Selby JV. Missed appointments and poor glycemic control: an opportunity to identify high-risk diabetic patients. Med Care. 2004 Feb;42(2):110-5. doi: 10.1097/01.mlr.0000109023.64650.73.

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**Citation:** Colubi MM, Perez-Elias MJ, Elias L, Pumares M, Muriel A, Zamora AM, Casado JL, Dronda F, Lopez D, Moreno S; SEAD Study Group. Missing scheduled visits in the outpatient clinic as a marker of short-term admissions and death. HIV Clin Trials. 2012 Sep-Oct;13(5):289-95. doi: 10.1310/hct1305-289.

**PMID:** 23134630

**Citation:** Srisaenpang S, Pinitsoontorn S, Singhasivanon P, Kitayaporn D, Kaewkungwal J, Tatsanavivat P, Patjanasoontorn B, Reechaipichitkul W, Thiratakulpisan J, Srinakarin J, Srisaenpang P, Thinkamrop B, Apinyanurak C, Chindawong BO. Missed appointments at a tuberculosis clinic increased the risk of clinical treatment failure. Southeast Asian J Trop Med Public Health. 2006 Mar;37(2):345-50.

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**Citation:** Ayten Turkcan & Lynn Nuti & Po-Ching DeLaurentis & Zhiyi Tian & Joanne Daggy & Lingsong Zhang & Mark Lawley & Laura Sands, 2013.

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#### See Also Links

**Label:** National Cancer Institute. Division of Cancer Control and Population Science. Joinpoint Trend Analysis Software.

**URL:** https://surveillance.cancer.gov/joinpoint/

**Label:** Medidas sanitarias por la pandemia de COVID-19 en Argentina.

**URL:** https://es.wikipedia.org/wiki/Medidas_sanitarias_por_la_pandemia_de_COVID-19_en_Argentina#Del_20_al_31_de_marzo

**Label:** COVID-19 pandemic in Argentina.

**URL:** https://en.wikipedia.org/wiki/COVID-19_pandemic_in_Argentina

## Derived Section

### Misc Info Module

- Version Holder: 2024-05-31
