Table 3 Effects of covariates on exacerbation occurrence or rate (OPCRD)
From: Guide to evaluating performance of prediction models for recurrent clinical events
Variable | Level | NB: OR (95% CI) | ZINB logit: OR (95% CI) | ZINB count: RR (95% CI) | AG: HR (95% CI) | PWP-TT: HR (95% CI) |
|---|---|---|---|---|---|---|
Intercept | − 8.50 (− 8.59, − 8.41) | − 5.21 (− 5.57, − 4.86) | − 7.55 (− 7.68, − 7.42) | N/A | N/A | |
Age (log*) | 1.41 (1.38, 1.44) | 0.75 (0.69, 0.82) | 1.28 (1.24, 1.32) | 1.42 (1.40, 1.44) | 1.30 (1.29, 1.32) | |
Gender | Female | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Male | 0.74 (0.72, 0.75) | 1.52 (1.40, 1.65) | 0.82 (0.80, 0.84) | 0.77 (0.76, 0.78) | 0.83 (0.82, 0.84) | |
Previous exacerbations | No | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Yes | 2.01 (1.97, 2.06) | 0.32 (0.29, 0.35) | 1.40 (1.35, 1.45) | 1.46 (1.44, 1.49) | 1.30 (1.28, 1.31) | |
Smoking status | Non-smoker | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Current smoker | 1.32 (1.29, 1.36) | 0.72 (0.65, 0.80) | 1.23 (1.19, 1.27) | 1.26 (1.23, 1.28) | 1.18 (1.16, 1.19) | |
Ex-smoker | 1.13 (1.10, 1.16) | 0.90 (0.82, 0.99) | 1.10 (1.07, 1.14) | 1.09 (1.07, 1.11) | 1.06 (1.05, 1.07) | |
Year of entry into study | 2013 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
2005 | 1.16 (1.06, 1.28) | 1.14 (0.81, 1.62) | 1.21 (1.06, 1.37) | 1.35 (1.27, 1.44) | 1.25 (1.20, 1.31) | |
2006 | 1.22 (1.16, 1.28) | 0.71 (0.57, 0.89) | 1.12 (1.05, 1.19) | 1.30 (1.25, 1.34) | 1.21 (1.18, 1.24) | |
2007 | 1.27 (1.19, 1.35) | 0.80 (0.62, 1.04) | 1.21 (1.11, 1.30) | 1.27 (1.22, 1.33) | 1.18 (1.14, 1.21) | |
2008 | 1.09 (1.05, 1.14) | 0.78 (0.65, 0.93) | 1.03 (0.97, 1.09) | 1.05 (1.01, 1.08) | 1.02 (1.00, 1.05) | |
2009 | 1.05 (1.01, 1.10) | 0.78 (0.66, 0.93) | 0.99 (0.94, 1.05) | 0.99 (0.96, 1.02) | 0.99 (0.97, 1.01) | |
2010 | 1.09 (1.05, 1.14) | 0.83 (0.70, 0.98) | 1.04 (0.99, 1.10) | 1.04 (1.01, 1.07) | 1.02 (1.00, 1.04) | |
2011 | 1.05 (1.05, 1.09) | 0.85 (0.73, 1.00) | 1.01 (0.96, 1.06) | 1.04 (1.01, 1.07) | 1.02 (1.00, 1.04) | |
2012 | 1.06 (1.03, 1.10) | 1.01 (0.87, 1.16) | 1.07 (1.02, 1.12) | 1.01 (0.98, 1.04) | 0.99 (0.97, 1.01) | |