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Table 2 Percentage of weeks with 7 days of bothersome low back pain reported by participants a) with low back pain and Modic changes (Study 1), b) with non-specific low back pain (Study 2), and c) participants in Study 2 who provided text messages less than 50 % of the time

From: Persistence of pain in patients with chronic low back pain reported via weekly automated text messages over one year

Percentage of weeks in 1 year where LBP was reported to have been present all 7 days Study 1: Patients with low back pain and Modic changes Study 2: Patients with non-specific low back pain Study 2: Patients who provided text messages less than 50 % of the time
(N = 80) (N = 209) (N = 30)
% % % %
0 16 10 30
1–10 15 21 10
11–20 11 13 3
21–30 9 6 10
31–40 3 5 10
41–50 4 3 10
51–60 3 3 3
61–70 3 2 -
71–80 6 4 -
81–90 6 6 3
91–99 15 10 3
100 10 15 17
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