Correlation of baseline SPARCC scores and the presence of sacroiliitis on baseline MRI with clinical data
| Baseline SPARCC | Sacroiliitis on baseline MRI | |||
| Mean | P value | Yes (n, %) | P value | |
| Back pain | 0.36 | 0.72 | ||
| Yes | 11.6 | 6/11 (55) | ||
| No | 5.6 | 15/24 (63) | ||
| First pregnancy | 0.56 | 1.00 | ||
| Yes | 8.3 | 11/18 (61) | ||
| No | 6.7 | 10/17 (59) | ||
| Primipara | 0.69 | 0.69 | ||
| Yes | 7.2 | 12/22 (55) | ||
| No | 8.2 | 9/13 (69) | ||
| Epidural anaesthesia | 0.050 | 0.22 | ||
| Yes | 5.2 | 11/22 (50) | ||
| No | 11.5 | 10/13 (77) | ||
| Newborn’s sex | 0.12 | 0.24 | ||
| Male | 5.8 | 8/17 (47) | ||
| Female | 9.2 | 13/18 (72) | ||
| Rho | P value | Yes | No | P value | |
| Subject’s age (years) | 0.16 | 0.41 | 29.9* | 29.3* | 0.61 |
| Duration of labour (hours) | −0.46 | 0.005 | 8.4* | 12.6* | 0.02 |
| Newborn’s weight (g) | −0.02 | 0.91 | 3391* | 3266* | 0.69 |
| Length (cm) | 0.12 | 0.50 | 50.2* | 49.9* | 0.54 |
| Head circumference (cm) | −0.05 | 0.80 | 34.3* | 34.0* | 0.94 |
Significant correlations are shown in bold.
*Mean values.
SPARCC, Spondyloarthritis Research Consortium of Canada.