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Table 3 Alignment of Final Model Variables with Maternal Levels of Care Criteria

From: Validation of a measure of hospital maternal level of care for the United States

Maternal Levels of Care Criteria

Operationalization as AHA Variable

All Hospitals

Ability to begin emergency cesarean delivery within a time interval that best incorporates maternal and fetal risks and benefits

ORPA > 0 Operating Rooms

AND

ADTCHOS = 1 Adult Cardiology Surgery

2278 (97.7%)

Limited obstetric ultrasonography with interpretation readily available at all times

ULTSNHOS = 1 Ultrasound services

2294 (98.4%)

Support services readily available at all times, including laboratory testing and blood bank

FTLAB > 0 Full time lab technicians

2143 (91.9%)

Capable to implement patient safety bundles for common causes of preventable maternal morbidity

No variables available

Ability at all times to initiate massive transfusion protocol

No variables available

Stabilization and the ability to facilitate transport to a higher-level hospital when necessary

No variables available

Ability to initiate and sustain education and quality improvement programs

No variables available

Meets Level I Criteria

 

2062 (88.5%)

Computed tomography scan, Magnetic resonance imaging, non-obstetric ultrasound imaging, and maternal echocardiography available daily

CTSCNHOS = 1 Computed-tomography (CT) Scanner

AND MIRHOS = 1 Magnetic resonance imaging (MRI)

AND ACARDHOS = 1 Adult cardiology service (for echocardiography)

1683 (72.2%)

Standard obstetric ultrasound imaging with interpretation readily available at all times

No variables available

 

Obstetrician-gynecologist available at all times

No variables available

 

Anesthesiology readily available at all times

PCAHOS = 1 Patient controlled analgesia

2118 (90.9%)

Internal or family medicine physicians and general surgeons readily available at all times

HSPTL = 1 Hospitalists provide care

1911 (82.0%)

Remove if Trauma level 4

  

Meets Level II Criteria

 

1237 (53.1%)

In-house availability of all blood products

No variables available

 

CT, MRI, Ultrasound, and echocardiography available at all times

FTECIC > 0 Full time cardiology intensivists

OR CLSCIC = 1 Closed cardiac intensive care unit

781 (33.5%)

Specialized obstetric ultrasound and fetal assessment, including doppler studies, with interpretation readily available at all times

No variables available

 

Basic Interventional Radiology

ICLABHOS = 1 Interventional cardiac catheterization

1343 (57.6%)

Appropriate equipment and personnel physically present at all times

No variables available

 

Onsite Medical and Surgical ICUS

MSICBD > 0 Medical-surgical intensive care beds

OR

MSICHOS = 1 Medical-surgical intensive care service

2071 (88.9%)

Documented mechanism to facilitate and accept maternal transfers

No variables available

 

Provide outreach education and patient transfer feedback to level I and level II designated facilities

No variables available

 

Provide perinatal system leadership if acting as a regional center

No variables available

 

Full complement of sub-specialists

NEROHOS = 1 (Neurology Service)

AND HEMOHOS = 1 (Hematology Service)

AND ONCOLHOS = 1 (Oncology service)

553 (23.7%)

Remove if Trauma level 3 or Level 4

Traumal90 ≠ 3 andTraumal90 ≠ 4

- 34

Meets Level III Criteria

 

293 (12.6%)