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. 2018 Apr 19;23(2):78–87. doi: 10.1111/jns.12262

Figure 4.

JNS-12262-FIG-0004-c

Wear‐off in one patient with CIDP. Self‐recorded daily measurement of maximum time that left upper limb can be held outstretched (patient seated with shoulder 90° flexed and elbow extended). This non‐standard outcome measure was chosen by the patient as the most practical measure of disability in his left upper limb. IVIG was given at 1.86 g/kg every two weeks (↑). The troughs (minimum time outstretched) around the day of each IVIG treatment show that his shoulder strength weakened as IVIG wore off. The rising baseline shows gradually increasing strength over several months indicating cumulative benefit following increased treatment frequency from 1.86 g/kg/2.5 weeks to 1.86 g/kg/2 weeks at the start of the measurement period (Hadden, personal communication, 2017).