Table 1

 Means (SD), inter- and intraobserver correlations, duplicate errors, and p values of t testing

ObserverScore (systematic differences)p ValueInterobserver
CorrelationDuplicate error
Cervical spine (n = 26)
111.78 (13.32)0.030.990.55
211.88 (13.48)
Lumbar spine (n = 46)
16.12 (11.35)0.700.990.99
26.36 (11.32)