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Table 3 Patients diagnosed with a disease according to ICD-10 (registered for physician consultations in the study years 2014–2016, n = 66,831)

From: Comparing occasional and persistent frequent attenders in occupational health primary care – a longitudinal study

Characteristics 1-year-FA
20142016
2-year-FA
20142016
pFA
20142016
non-FA
20142016
n (%) n (%) n (%) n (%)
  6528 (10) 1603 (2) 592 (1) 58,108 (87)
ICD-10
 J00-J99 Diseases of the respiratory system 4254 (65.2) 1321 (82.4) 536 (90.5) 23,678 (40.7)
 M00-M99 Diseases of the musculoskeletal system and connective tissue 4796 (73.5) 1422 (88.7) 559 (94.4) 21,303 (36.7)
 R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified 2309 (35.4) 857 (53.5) 401 (67.7) 9147 (15.7)
 S00-T98 Injury, poisoning and certain other consequences of external causes 2198 (33.7) 792 (49.4) 349 (59.0) 9228 (15.9)
 L00-L99 Diseases of the skin and subcutaneous tissue 1335 (20.5) 510 (31.8) 220 (37.2) 5717 (9.8)
 F00-F99 Mental and behavioural disorders 1595 (24.4) 609 (38.0) 270 (45.6) 4663 (8.0)
 I00-I99 Diseases of the circulatory system 1129 (17.3) 403 (25.1) 168 (28.4) 4902 (8.4)
 A00-B99 Certain infectious and parasitic diseases 1102 (16.9) 425 (26.5) 228 (38.5) 4827 (8.3)
 H00-H59 Diseases of the eye and adnexa 868 (13.3) 326 (20.3) 163 (27.5) 4056 (7.0)
 H60-H95 Diseases of the ear and mastoid process 909 (13.9) 315 (19.7) 153 (25.8) 3687 (6.3)
  1. ICD-10 = International Classification of Diseases
  2. FA status was defined as the top decile of attenders (frequent attender 10%, FA10), p < 0.001 in all values
  3. 1-year-FA = Patients that were in the top decile of attenders in one of the study years (2014, 2015 or 2016)
  4. 2-year-FA = Patients that were in the top decile in any two study years (2014, 2015 or 2016)
  5. pFA = Patients that were in the top decile in all three study years (2014, 2015 and 2016)
  6. non-FA = Patients that were never in the top decile were considered as a reference group, non-frequent attenders
  7. In the table are presented the 10 largest ICD-10 groups