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Table 5

Complaint type according to episode length

Study year 1 (2011–2012) (N a = 550)Study year 2 (2012–2013) (N a = 746)Study year 3 (2013–2014) (N a = 660)
n % [CI]Episode length (median, IQR)Episode length (mean, SD) n % [CI]Episode length (median, IQR)Episode length (mean, SD) n % [CI]Episode length (median, IQR)Episode length (mean, SD)
Trivial pain40573.1% [69.2–76.6%]1 (1–2)1.8 (2.0)49866.8% [63.2–70.1%]1 (1–2)2.1 (2.6)43766.2% [62.5–69.7%]1 (1–2)2.1 (2.4)
Non-trivial pain14826.9% [23.3–30.8%]3 (1–7)4.7 (3.9)24833.2% [29.9–36.7%]3 (1–6)4.4 (4.0)22333.8% [30.3–37.5%]3 (2–6)4.5 (4.2)

a = Total number of spinal complaints pr year

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