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Table 2 Baseline characteristics of patients with shoulder pain

From: Costs of shoulder pain in primary care consulters: a prospective cohort study in The Netherlands

Variable n = 492 n = 61*
Demographic   
Age (years); mean (SD) 52 (14) 50 (14)
Gender: male; n (%) 245 (50) 25 (41)
Paid work; n (%) 350 (60) 38 (62)
Disease characteristics   
Duration of current shoulder complaints; n (%)   
   0–6 weeks 179 (37) 18 (30)
   7–12 weeks 117 (24) 15 (25)
   >12 weeks 195 (40) 28 (46)
Sick leave at baseline in preceding 2 months$; n (%)   
   0 weeks 254 (74) 21 (57)
   ≤1 weeks 44 (13) 5 (13)
   >1 weeks 46 (13) 11 (30)
Gradual onset; n (%) 310 (63) 36 (59)
Precipitating cause; n (%)   
   Strain/overuse: usual activities; n (%) 115 (23) 22 (36)
Shoulder complaints in the past; n (%) 291 (59) 42 (69)
Neck complaints in the past; n (%) 251 (51) 41 (68)
Dominant side involved; n (%) 302 (61) 42 (69)
Comorbid psychological complaints; n (%) 42 (9) 9 (15)
Concomitant musculoskeletal complaints; n (%)   
   Neck/high back 173 (35) 35 (57)
   Low back pain 117 (24) 24 (39)
   Upper extremity 152 (31) 21 (34)
Shoulder pain (0–10); mean (SD) 4.7 (2.3) 6.2 (1.9)
Shoulder disability (0–100); mean (SD) 60.0 (23.8) 72.0 (20.2)
Physical examination   
Pain shoulder with movement (0–18); median (IQR) 6 (4–6) 8 (6–8)
Pain neck with movement (0–18); median (IQR) 0 (0-0) 3 (0–2)
Physical factors   
Dynamic physical workload (0–5); median (IQR) 1 (0–1) 1 (1-1)
Repetitive movements; n (%) 316 (64) 43 (71)
  1. *Subgroup of patients generating costs of >€1000 in 6 months. SD = standard deviation; IQR = Inter quartile range
  2. $ Sick leave due to shoulder pain