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Table 1 The most frequent musculoskeletal diagnoses in sick leave >8 weeks in Norway in 1997, according to The International Classification of Primary Health Care (ICPC): N and percent of musculoskeletal cases, and percent obtaining a disability pension (DP)

From: Gender differences in disability after sickness absence with musculoskeletal disorders: five-year prospective study of 37,942 women and 26,307 men

ICPC   Men     Women   
Code Diagnosis N % %DP   N % %DP
L84 Back syndrome without radiation 3579 13.6 17.2   5165 13.6 19.1
L86 Back syndrome with radiation 3979 15.1 18.4   3607 9.5 23.0
L83 Neck syndrome 2005 7.6 25.0   4340 11.4 23.9
L92 Shoulder syndrom 2179 8.3 19.6   3781 10.0 22.7
L99 Musculoskeletal disorder NUD 913 3.5 19.2   4780 12.6 12.4
L93 Epicondylitis/tendinits forearm 1699 6.5 14.7   2652 7.0 20.2
L02 Back symptoms 1042 4.0 17.5   1857 4.9 17.2
L88 Rheumatoid arthritis 777 3.0 39.4   1220 3.2 50.3
L76 Other fractures 1009 3.8 13.3   613 1.6 17.8
L73 Fracture ankle/leg 803 3.1 4.7   630 1.7 11.4
L18 Widespread muscular pain 144 0.5 28.5   957 2.5 49.0
L01 Neck symptoms 330 1.3 21.8   676 1.8 23.1
L96 Acute inner injury of knee 632 2.4 8.2   333 0.9 14.1
L72 Fracture forearm 349 1.3 6.9   536 1.4 15.7
L08 Shoulder symptoms 332 1.3 19.3   406 1.1 19.2
L89 Osteoarthrosis of the hip 250 1.0 41.6   406 1.1 48.3