Open Access

Table 10

MPSM score according to Observer II (N = 100 patients, 508 screws).

1st measurement 2nd measurement 3rd measurement Cronbach’s alpha correlation coefficient
Average 95% CI
Violation 1.0 1.0–1.0
 Mean ± SD 0.48 ± 1.04 0.47 ± 1.03 0.48 ± 1.04
 Range 0–4 0–4 0–4
Neurological examination
 Mean ± SD 0.15 ± 0.5
 Range 0–4
Total score
 Mean ± SD 0.63 ± 1.4 0.63 ± 1.4 0.63 ± 1.4 1.0 1.0–1.0
 Range 0–8 0–8 0–8

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