Table 2.
Proportional hazards models adjusted by age
| Variable | n (%) | aHR (95% CI) | P |
| Model 1 | |||
| Conventionally tested 2018–2019 (ref) | 36 (63.2) | … | |
| GeneXpert tested 2019–2021 | 21 (36.8) | 1.91 (1.03 to 3.55) | 0.040 |
| Age at test | … | 1.04 (1.00 to 1.08) | 0.051 |
| Model 2 | |||
| Conventional testing 2019–2021 (ref) | 27 (56.2) | … | |
| GeneXpert tested 2019–21 | 21 (43.8) | 3.76 (1.67 to 8.46) | 0.001 |
| Age at test | … | 1.02 (0.97 to 1.09) | 0.396 |
Model 1 fit: X2=8.07, p=0.017. Harrell’s C: 0.64 (95% CI 0.56 to 0.72), p <0.0001.
Model 1 survival information: n=57; failures=49; time at risk=2827 days.
Model 2 fit: X2=10.93, p=0.004. Harrell’s C: 0.68 (95% CI 0.58 to 0.78), p = <0.0001.
Model 2 survival information: n=48; failures=27; time at risk=2458 days.
aHR, adjusted HR; PH, proportional hazards.