Table 2.
Variable | n for Logistic regression | OR | 95% CI | OR Sig. | n for Cox regression | HR | 95% CI | HR Sig. |
---|---|---|---|---|---|---|---|---|
Older age at recruitment | 866 | 1 | 1.0–1.1 | 0.013 | ||||
Hospitalized frequently (>2 per year) | 866 | 2.7 | 1.8–3.9 | <0.001 | 769 | 1.6 | 1.3–1.9 | <0.001 |
Diagnosed after 75th percentile | 866 | 2.3 | 1.5–3.7 | <0.001 | 769 | 1.3 | 1.1–1.6 | 0.047 |
Diagnosed between median and 75th percentile | 866 | 2 | 1.1–3.6 | 0.015 | ||||
Frequent hyperventilation | 866 | 1.8 | 1.2–2.7 | 0.003 | 769 | 1.2 | 0.9–1.5 | 0.055 |
Frequent breath-holding | 866 | 1.9 | 1.1–3.3 | 0.022 | ||||
Bradykinesia | 866 | 2.5 | 1.3–4.7 | 0.004 | 769 | 1.6 | 1.3–2.0 | <0.001 |
Scoliosis | 866 | 1.6 | 1.1–2.4 | 0.016 | ||||
Unable to ambulate | 866 | 1.6 | 1.1–2.5 | 0.022 | 769 | 1.4 | 1.1–1.7 | <0.001 |
Severe dystonia | 769 | 1.3 | 1.0–1.6 | 0.024 | ||||
Frequent stereotypies | 769 | 0.8 | 0.7–1.0 | 0.062 | ||||
Gastrostomy feeding | 866 | 2 | 1.0–4.0 | 0.040 | 769 | 1.4 | 1.1–1.8 | 0.002 |
Aggression | 866 | 0.5 | 0.3–0.8 | 0.009 | 769 | 0.6 | 0.5–0.9 | 0.003 |
Role/social limitations – physical | 665 | 0.9 | 0.8–1.0 | 0.024 | ||||
Behaviour | 665 | 1.5 | 1.1–2.0 | 0.009 | ||||
Mental health | 665 | 0.8 | 0.5–1.0 | 0.023 | ||||
Bone fractures | 866 | 1.5 | 0.9–2.6 | 0.091 | ||||
Hyperreflexia | 866 | 1.4 | 1.0–2.1 | 0.062 | ||||
Some verbal communication (babbling or words) | 769 | 0.9 | 0.7–1.0 | 0.101 |
Non-significant results or results that trended to significant association are in bold. Blank cells indicate that variable did not meet minimal P-value for inclusion in regression equation. CI = confidence interval; HR = hazard ratio; OR = odds ratio; Sig. = Significance of p-value.