Variable | Prevalence | Logistic regression analysis | |||
---|---|---|---|---|---|
Normal MPI (n = 43) | Abnormal MPI (n = 20) | OR | 95% CI | P | |
Age (year, median) | 19.35 | 19.28 | 0.25 | 0.01–4.24 | 0.334 |
Education [n (%)] | |||||
 College or more | 28 (65.1) | 12 (60.0) | 1 |  |  |
 High school or less | 15 (34.9) | 8 (40.0) | 0.99 | 0.22–4.52 | 0.986 |
Socioeconomic status [n (%)] | |||||
 High | 7 (16.3) | 1 (5.0) | 1 |  |  |
 Middle | 23 (53.5) | 10 (50.0) | 14.38 | 0.50–413.72 | 0.120 |
 Low | 13 (30.2) | 9 (45.0) | 23.71 | 0.81–695.42 | 0.066 |
Parental coresidence status [n (%)] | |||||
 Both | 36 (83.7) | 18 (90.0) | 1 |  |  |
 One parent | 6 (14.0) | 2 (10.0) | 0.41 | 0.02–7.00 | 0.536 |
 None | 1 (2.3) | 0 (0.0) | 0 | 0 | 1.000 |
mCSS (2–9) | 4.21 | 3.70 | 0.73 | 0.37–1.43 | 0.358 |
NRS (0–10) | 6.40 | 5.95 | 0.97 | 0.56–1.68 | 0.358 |
Pain duration (month) | 21.40 | 40.35 | 1.05 | 1.02–1.08 | 0.002* |
CRPS type [n (%)] | |||||
 I | 34 (79.1) | 15 (75.0) | 1 |  |  |
 II | 9 (20.9) | 5 (25.0) | 3.76 | 0.61–23.33 | 0.155 |
Affected site [n (%)] | |||||
 Upper extremity | 12 (27.9) | 6 (30.0) | 1 |  |  |
 Lower extremity | 29 (67.4) | 14 (70.0) | 0.98 | 0.20–4.90 | 0.983 |
 Multiple | 2 (4.7) | 0 (0.0) | 0 | 0 | 0.999 |
Treatment [n (%)] | |||||
 Physical or pharmacological therapy | 15 (34.9) | 6 (30.0) | 1 |  |  |
 Sympathetic nerve intervention | 22 (51.2) | 11 (55.0) | 6.90 | 0.76–62.51 | 0.086 |
 Spinal cord stimulation | 6 (14.0) | 3 (15.0) | 4.06 | 0.38–43.02 | 0.245 |