Table 5. Overview of fracture repair in old birds from different housing types.
| Housing 1 | Total | P-value (Chi square) | |||
|---|---|---|---|---|---|
| Cages | Deep litter | ||||
| Fracture line (n = 49) | Absent | 10a | 8b | 18 | 0.001 |
| Present | 4a | 27b | 31 | ||
| Fracture line–inflammation (n = 31) | Absent | 4 | 27 | 31 | N/A |
| Collagen in fracture line (n = 31) | Absent | 2 | 10 | 12 | 0.574 |
| Minimal | 2 | 11 | 13 | ||
| Moderate | 0 | 6 | 6 | ||
| Callus formation (n = 31) | Absent | 2 | 6 | 8 | 0.377 |
| Minimal | 2 | 15 | 17 | ||
| Moderate | 0 | 6 | 6 | ||
| Callus–immature (n = 31) | Absent | 3 | 18 | 21 | 0.739 |
| Minimal | 1 | 9 | 10 | ||
| Callus—mature (ossified) (n = 31) | Absent | 3 | 14 | 17 | 0.715 |
| Minimal | 1 | 7 | 8 | ||
| Moderate | 0 | 6 | 6 | ||
1Different superscript letter denotes a subset of Housing categories whose column proportions differ significantly from each other (z-test, P<0.05).