Table 3.
Risk factors associated with mortality as calculated using Cox proportional hazards models among 149 inpatients with cancer at Beijing Ditan Hospital, January 1, 2008 – December 31, 2013
| Characteristic | Number of Deaths (%) | Observed person-months | Mortality rate (deaths per 100 person-months) | HR(95 % CI) | p-value | Adjusted HR (95 % CI) | p-value |
|---|---|---|---|---|---|---|---|
| Total | 42 (28.2) | 5355 | 0.78 | – | – | – | – |
| Gender | |||||||
| Female | 13 (32.5) | 2012 | 0.65 | 1.00 | 1.00 | ||
| Male | 29 (26.6) | 3343 | 0.87 | 1.30 (0.67–2.53) | 0.071 | 0.94 (0.41–2.13) | 0.826 |
| Age (every 10-year increase) | 42 (28.2) | 5355 | 0.78 | 1.02 (1.00–1.05) | 0.923 | 1.02 (0.99–1.05) | 0.912 |
| HIV transmission mode | |||||||
| Men who have sex with men | 8 (22.9) | 1029 | 0.78 | 1.00 | 1.00 | ||
| Injection drug use | 0 (0.0) | 110 | 0.00 | – | – | – | – |
| Heterosexual contact | 23 (27.7) | 2468 | 0.93 | 1.17 (0.52–2.63) | 0.227 | 1.27 (0.44–3.66) | 0.363 |
| Blood transmission | 9 (37.5) | 1601 | 0.56 | 0.58 (0.21–1.62) | 0.189 | 0.78 (0.23–2.67) | 0.314 |
| Unknown | 2 (40.0) | 146 | 1.37 | 1.85 (0.39–8.76) | 0.456 | 6.71 (0.67–66.89) | 0.532 |
| CD4 cell counta (per cell/μl increase) | 42 (28.2) | 5355 | 0.78 | 0.99 (0.99–0.99) | <0.001 | 1.01 (0.99–1.02) | 0.343 |
| No ART initiationa | 42 (28.2) | 5355 | 0.78 | 2.52 (2.22–2.86) | <0.001 | 2.19 (1.84–2.61) | <0.001 |
| Classification of cancer | |||||||
| NADC | 23 (23.2) | 3151 | 0.73 | 1.00 | 1.00 | ||
| ADC | 19 (38.0) | 2204 | 0.86 | 1.12 (0.61–2.08) | 0.121 | 0.86 (0.38–1.93) | 0.082 |
HR hazard ratio, CI confidence interval
aVariables were modelled as time-dependent covariates