Table 1 Demographics and self-reported scores of patients with amplified musculoskeletal pain and back pain
From: Non-organic back pain signs in children with amplified musculoskeletal pain involving the back
Characteristic | Total population N = 334 | Localized AMPS N = 128 | Diffuse AMPS N = 206 | P between localized and diffuse |
|---|---|---|---|---|
Age, median (IQR) | 15 (13,16) | 15 (13, 16) | 15 (13,16) | 0.31 |
Sex | < 0.01 | |||
Female | 287 (86%) | 99 (77%) | 188 (91%) | |
Male | 47 (14%) | 29 (23%) | 18 (9%) | |
Race N (%) | 0.66 | |||
White | 295 (88%) | 111 (87%) | 181 (88%) | |
Black | 26 (8%) | 12 (9%) | 17 (8%) | |
Duration (months) median (IQR) | 24 (9, 36) | 18 (8, 36) | 24 (9, 42) | 0.22 |
Verbal pain median (IQR) | 6 (5, 7) | 6 (4, 7) | 6 (5, 8) | 0.19 |
VAS pain median (IQR) | 61 64 (49, 74) | 57 61 (38, 71) | 63 66 (52, 75) | 0.11 |
FDI (N) median (IQR) | 26 (18, 34) 329 obs | 23 (15, 32) 127 obs | 28 (20, 35) 202 obs | < 0.01 |
SSS (N) median (IQR) | 7 (5, 9) 294 obs | 6 (4, 8) 116 obs | 7.5 (6, 10) 178 obs | < 0.01 |
WPI (N) median (IQR) | 8 (4, 12) 334 obs | 4 (2, 6) 128 obs | 11 (8, 14) 206 obs | < 0.01 |
Meets criteria for fibromyalgia (N) N (%) | 176(60%) 294 obs | 25 (22%) 116 obs | 151 (85%) 178 obs | < 0.01 |