Article 1 Blood Glucose 1 Blood Glucose Self-Monitoring 1 Continuous glucose monitoring systems 1 Diabetes Mellitus, Type 1 1 Glucose 1 Glycemic Control 1 Humans 1 Intermittently scanned CGM 1 Poland 1 Quality of Life 1 Real-world data 1 Retrospective Studies 1 Self-monitoring of blood glucose blood glucose monitoring 1 controlled study 1 glucose 1 glucose blood level 1 glycemic control 1 hemoglobin A1c 1 human 1 insulin dependent diabetes mellitus 1 observational study 1 procedures 1 quality of life 1 retrospective study 1 systematic review 1