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. 2021 Jul 26;181(9):1–7. doi: 10.1001/jamainternmed.2021.3942

Table 1. Characteristics of the 290 141 Reports in Which the Natural Language Processing Algorithm Identified a Serious Injury or Death.

Characteristic No. (%)
Report type
Death 151 145 (52.1)
Injury 77 516 (26.7)
Malfunction 58 025 (20.0)
Other/missing 3455 (1.2)
Device class
I 7399 (2.6)
II 116 358 (40.1)
III 162 147 (55.9)
Undetermined 4237 (1.5)
Year of report receipt by FDA
Before 1995 1161 (0.4)
1995-1999 11 467 (4.0)
2000-2004 13 198 (4.5)
2005-2009 24 675 (8.5)
2010-2014 94 170 (32.5)
2015-April 2020 145 377 (50.1)
Missing 93 (0.0)
Report source
Manufacturer 278 251 (95.9)
User facility 6172 (2.1)
Voluntary 4778 (1.6)
Distributor 940 (0.3)
Reporter occupation
Unspecifieda 139 436 (48.1)
Physician 58 787 (20.3)
Health care personnelb 41 329 (14.2)
Attorney 26 314 (9.1)
Nurse 10 965 (3.8)
Patient, patient family, or caregiver 6757 (2.3)
Risk manager 4792 (1.7)
Medical equipment company technician/representative 1538 (0.5)
Service/testing personnel 223 (0.1)
Device product codec
DSQ: ventricular (assist) bypass 38 708 (13.3)
KPO: dialysate concentrate for hemodialysis (liquid or powder) 25 261 (8.7)
HHS: transcervical contraceptive tubal occlusion device 14 387 (5.0)
NIQ: coronary drug-eluting stent 11 296 (3.9)
LWS: implantable cardioverter-defibrillator (non-CRT) 10 006 (3.4)
MVK: wearable automated external defibrillator 9273 (3.2)
DTB: permanent pacemaker electrode 8332 (2.9)
MIH: system, endovascular graft, aortic aneurysm treatment 6562 (2.3)
DTK: filter, intravascular, cardiovascular 5777 (2.0)
LZG: pump, infusion, insulin 5005 (1.7)

Abbreviations: CRT, cardiac resynchronization therapy; FDA, US Food and Drug Administration.

a

Includes no information, not applicable, other, and unknown.

b

Includes audiologist, biomedical engineer, dental assistant, dental hygienist, dentist, dietician, emergency medical technician, health professional, home health aide, hospital service technician, medical assistant, medical technologist, nuclear medicine technologist, nursing assistant, occupational therapist, other health care professional, paramedic, personal care assistant, pharmacist, phlebotomist, physical therapist, physician assistant, physicist, radiology technologist, and respiratory therapist.

c

Includes only the top 10 most frequently represented product codes.