Table 3 Item-response probabilities for each question by identified latent statuses

Antimicrobial stewardship

We have an antimicrobial stewardship team (a member can work for both an infection control team and an antimicrobial stewardship team).

0.853

0.828

0.934

0.742

0.743

We have established criteria of interventions, such as their administration duration and selection, for patients administered antibiotics.

0.819

0.729

0.821

0.653

0.563

We have criteria for the uses of anti-MRSA antibiotics.

1

0

1

0.595

0.487

We have a preauthorization and/or restriction system for the use of anti-MRSA antibiotics.

0.525

0.505

1

0.176

0.169

We have criteria for the uses of broad-spectrum antibiotics such as carbapenems.

0.847

0.187

0.856

0.385

0.304

We have a preauthorization and/or restriction system for the use of broad-spectrum antibiotics.

0.365

0.348

0.947

0.072

0.065

We performed therapeutic drug monitoring for basically all cases.

0.800

0.723

0.607

0.593

0.506

We have manuals to establish the duration of prophylactic antibiotics administration in all departments.

0.603

0.621

0.513

0.426

0.324

Surveillance

We perform surveillance for ventilator-associated pneumonia.

0.819

0.780

0.164

0.114

0.037

We perform surveillance for catheter-associated urinary tract infections.

0.874

0.710

0.261

0.450

0.375

We perform active surveillance cultures.

0.798

0.738

0.315

0.402

0.298

Medical and hospital equipment

We perform regular oral cleansing for intubated patients in approximately 100% of relevant cases.

0.816

0.808

0.749

0.801

0.712

We insert central line catheters under maximal barrier precautions in approximately 100% of relevant cases.

0.374

0.358

0.416

1

0.000

We prepare intravenous hyperalimentation admixtures on clean benches in approximately 100% of relevant cases.

0.400

0.393

0.496

0.521

0.340

We have handwashing sinks at the entrance of an intensive care unit.

0.673

0.687

0.476

0.502

0.533

Infection control team activities regarding vaccinations and education of employees

Needle puncture and sharp object injuries are reported to a relevant department, such as an infection control team.

0.735

0.580

0.756

0.805

0.644

We instruct new employees in hand hygiene by practical training for all professions.

0.493

0.423

0.593

0.460

0.571

We instruct new employees of all professions how to put on and remove personal protective equipment.

0.762

0.745

0.818

0.774

0.769

We instruct all employees in personal protective equipment by practical training every year.

0.198

0.125

0.242

0.146

0.202

Acknowledgment of updating relevant guidelines

We do not change catheters without blockages or infections regularly.

0.892

0.786

0.657

0.666

0.657

Medical professions do not change their shoes while entering operating rooms.

0.764

0.713

0.509

0.532

0.509