1. The self-administered comorbidity questionnaire significantly correlated with the pre- and postoperative physical component summary scores and neck disability index scores.
2. The Charleston comorbidity index didn’t significantly correlate with any of the outcomes measures studies.
3. The CCIS was a poor predictor of postoperative health-related quality of life with only 0.2 percent of variance with the PCS score and only 0.4 percent of variance in the NDI score.
4. The self-administered comorbidity questionnaire was a significant predictor of postoperative health-related quality of life. The SCQ demonstrated 4 percent variance in PCS scores and 10.2 percent of variance in NDI scores.
5. The researchers concluded the SCQ scores is a more appropriate adjustment for health-related quality of life outcomes after cervical decompression surgery.
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