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Table 1 Knee pain area, location and associated demographics for the whole cohort and as a 5 year median split based on symptom duration (Less than 5 years vs. 5 years or more)

From: Distribution and symmetrical patellofemoral pain patterns as revealed by high-resolution 3D body mapping: a cross-sectional study

  Knee pain area (Pixels) Pain location Demographics
Total [95% CI] Left [95% CI] Right [95% CI] Peri (n) Retro (n) Mixed (n) Age (yrs) Duration (months) Current pain VASa
Whole group (N = 35) 6720 [5245, 8194] 3776 [3074, 4477] 3813 [3079, 4546] 20 1 14 18.8 ± 1.7 60 ± 33 4.8 ± 2.7
Less than 5 years. (N = 16) 5120 [3857, 6382] 2976 [2379, 3572] 2519 [1844,3193] 9 0 7 18.5 ± 1.5 36 ± 15 4.6 ± 3.9
More than 5 years. (N = 19) 8067 [5701, 10434] 4443 [3325, 5561] 4581 [3473, 5690] 11 1 7 19.0 ± 1.8 81 ± 30 6.0 ± 4.1
  1. Data are shown as means ± standard deviations, unless stated otherwise
  2. a VAS Visual Analogue Scale (0–10)