Table 3 Disease free interval data on age of dogs with osteosarcoma coded as binary data
From: Prognostic factors in canine appendicular osteosarcoma – a meta-analysis
Study (UVA/MVA) | N | Studied age categories (years) | Median DFI (days) | HR (95% CI) | P-value |
|---|---|---|---|---|---|
Sottnik 2010 (UVA) | 39 | <=8 | 204 | 0.188 | |
30 | >8 | 345 | 0.59 | ||
Sottnik 2010 (MVA) | 69 | >8 vs. <=8 | 0.42 (0.21-0.85) | 0.016 | |
Phillips 2009 (UVA) | 23 | <5 | 1035 | 0.022 | |
132 | >5 | 241 | |||
Phillips 2009 (MVA) | 155 | >5 vs. <5 | 2.1 (1.04-4.25) | 0.038 | |
Miller 2009 (UVA) | 3 | <6 | (reference) | 0.54 | |
73 | 6-10 | 1.59 (0.33-7.71) | |||
7 | >10 | 1.21 (0.3-4.96) | |||
Kent 2004 (UVA) | 32 | <mean | 0.049* |