Research Article

The Pattern of Use, Effectiveness, and Safety of Gadoteric Acid (Clariscan) in Patients Undergoing Contrast-Enhanced Magnetic Resonance Imaging: A Prospective, Multicenter, Observational Study

Table 2

Characteristics and symptoms (by SOC and PT) of adverse reactions in the whole study population.

Adverse reactionsN = 1376
No. of subjectsNo. of eventsIncidence rate (%)95% CI (lower, upper)

Type of adverse reaction
Immediate890.58(0.002, 0.010)
Delayed250.15(−0.001, 0.004)

Severity
Mild10140.73(0.003, 0.012)
Moderate000
Severe000

Causality
Certain120.07(−0.001, 0.002)
Likely000
Possible9120.65(0.002, 0.011)
Unlikely000
Unassessable000

Body region of MR exam
Immune system110.07(−0.001, 0.002)
Musculoskeletal system130.07(−0.001, 0.002)
Nervous system450.29(0.000, 0.006)
Sensory system120.07(−0.001, 0.002)
Vascular system110.07(−0.001, 0.002)
Whole body220.15(−0.001, 0.004)
Total10140.73(0.003, 0.012)

Adverse reactions by SOC/PTNo. of subjectsNo. of eventsIncidence rate (%)95% CI (lower, upper)

Gastrointestinal disorders110.07(−0.001, 0.002)
Nausea110.07(−0.001, 0.002)
General disorders and administration site conditions220.15(−0.001, 0.004)

Chills110.07(−0.001, 0.002)
Oedema110.07(−0.001, 0.002)
Investigations440.29(0.000, 0.006)
Oxygen saturation decreased440.29(0.000, 0.006)
Skin and subcutaneous470.29(0.000, 0.006)

Tissue disorders
Pruritus440.29(0.000, 0.006)
Urticaria330.22(−0.0003, 0.005)
Total10140.73(0.003, 0.012)

PT: preferred term; SOC: system organ class, MedDRA (Ver. 20.1). All cases registered in MR examinations under sedation.