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Table 1 Baseline characteristics of the participants

From: Sensor-based postural feedback is more effective than conventional feedback to improve lumbopelvic movement control in patients with chronic low back pain: a randomised controlled trial

Characteristic Patients with chronic low back pain Healthy persons p-value
Control
(n = 15)
Mirror
(n = 15)
Sensor
(n = 14)
Control
(n = 17)
Mirror
(n = 15)
Sensor
(n = 15)
Sociodemographic data
 Age (years) 43 (12) 36 (13) 40 (17) 37 (10) 40 (14) 33 (14) 0.31
 Gender, n female (%) 5 (33) 7 (47) 6 (43) 10 (59) 6 (40) 8 (53) 0.31
 Height (cm) 176 (11) 175 (7) 171 (8) 174 (5) 170 (9) 172 (9) 0.38
 Weight (kg) 78 (14) 69 (12) 70 (11) 70 (11) 63 (11) 71 (13) 0.05
LBP Questionnaires
 Onset LBP (years)a 3 (7) 4 (6) 6 (10)        0.56
 NPRS 7 days (0–10) 4.9 (1.5) 4.5 (1.9) 4.5 (1.4)        0.72
 NPRS current (0–10) 3.1 (2.0) 2.9 (1.9) 3.2 (2.2)        0.93
 RMDQ (0–24) 7.7 (3.5) 7.5 (4.9) 6.6 (3.3)        0.69
 TSK (17–68) 37.9 (5.5) 37.1 (6.9) 37.1 (8.6)        0.94
  1. Data are mean (SD), unless mentioned otherwise
  2. LBP low back pain, NPRS Numeric pain rating scale, NPRS 7 days average pain during the past 7 days measured with a NPRS, NPRS current current pain measured with a NPRS, RMDQ Roland-Morris Disability Questionnaire, TSK Tampa scale for kinesiophobia
  3. aMedian (IQR)