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. 2019 Mar 22;3(4):354–360. doi: 10.22603/ssrr.2018-0100

Table 3.

Sleep Analysis of the Patients with Low Back Pain.

Wrist Waist P value Correlation coefficient
MAC for the ZCM 16.8±5.9 14.5±6.8 0.241 0.769
MAC for the PIM 273.2±149.9 62.2±32.0 P<0.01 0.706
Sleep efficiency 91.7±4.7 92.6±5.6 0.296 0.813
WASO 34.5±18.3 31.8±24.4 0.358 0.569

MAC, mean active count; ZCM, zero-crossing mode; PIM, proportional-integrating mode; WASO, wake after sleep onset