HRs for first infection from the Cox regression model
| Uncontrolled (max n=377) | Controlled* (n=372) | |||
|---|---|---|---|---|
| Variable | HR (95% CI) | p Value† | HR (95% CI) | p Value† |
| Age | ||||
| HR per year increase in age | 1.03 (1.01 to 1.05) | 0.007 | 1.02 (1.00 to 1.04) | 0.131 |
| Gender | ||||
| Male | 0.81 (0.57 to 1.15) | 0.234 | 0.92 (0.61 to 1.39) | 0.700 |
| Female | 1.00 | 1.00 | ||
| History of stroke | 1.32 (0.92 to 1.90) | 0.143 | 1.03 (0.710 to 1.50) | 0.878 |
| Pre-stroke functional ambulation score (FAS) | ||||
| HR per unit increase | 0.77 (0.64 to 0.92) (n=374) | 0.009 | 0.88 (0.72 to 1.07) | 0.214 |
| Pre-stroke living status | ||||
| Alone | 1.00 | 0.301 | 1.00 | 0.249 |
| Partner | 1.25 (0.86 to 1.83) | 1.24 (0.81 to 1.88) | ||
| Family/friends | 1.40 (0.68 to 2.87) | 2.13 (1.00 to 4.53) | ||
| Residential/nursing home | 2.08 (0.94 to 4.62) (n=376) | 1.51 (0.64 to 3.58) | ||
| Oxford stroke subtype‡ | ||||
| TACI | 1.23 (0.75 to 2.02) | 0.019 | 1.08 (0.62 to 1.88) | 0.148 |
| PACI | 1.00 | 1.00 | ||
| POCI | 0.75 (0.40 to 1.44) | 1.24 (0.64 to 2.42) | ||
| LACI | 0.59 (0.35 to 1.01) | 0.90 (0.51 to 1.58) | ||
| PICH | 1.45 (0.88 to 2.37) (n=376) | 1.85 (1.10 to 3.10) | ||
| Infarcts combined | 1.00 | 0.031 | 1.00 | 0.014 |
| PICH | 1.65 (1.07 to 2.54) | 1.81 (1.15 to 2.83) | ||
| Dysphagia on admission | 2.68 (1.81 to 3.96) | 0.000 | 1.95 (1.24 to 3.07) | 0.003 |
| Incontinent/catheterised on admission | 4.41 (2.52 to 7.71) (n=376) | 0.000 | 3.24 (1.67 to 6.26) | 0.000 |
| Unable to mobilise unaided on admission | 1.64 (0.67 to 4.04) (n=376) | 0.245 | 0.62 (0.22 to 1.70) | 0.372 |
| Unable to lift both arms on admission | 1.31 (0.92 to 1.86) | 0.142 | 0.70 (0.46 to 1.07) | 0.095 |
| Abnormal Glasgow Coma Score verbal component on admission | 1.87 (1.31 to 2.67) | 0.001 | 1.40 (0.94 to 2.08) | 0.101 |
*For the other variables in the table.
†Likelihood ratio test when term removed from model.
‡Oxford Community Stroke Project subtypes: total anterior circulation infarct (TACI), partial anterior circulation infarct (PACI), posterior circulation infarct (POCI), lacunar infarct (LACI), primary intracerebral haemorrhage (PICH).