Table 3.
Length of stay (LOHS) for primary THA hospitalizations in Spain from 2001 to 2008
| 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | P* | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Age group | LOHS | LOHS | LOHS | LOHS | LOHS | LOHS | LOHS | LOHS | ||
| 40-54* | Mean | 11.93 | 11.15 | 10.84 | 10.00 | 9.70 | 9.69 | 8.99 | 9.06 | <0.001 |
| Median | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | ||
| IQR | 8-13 | 7-12 | 7-12 | 7-11 | 7-10 | 6-10 | 6-9 | 6-9 | ||
| 50-64* | Mean | 12.02 | 11.52 | 11.29 | 10.53 | 10.39 | 10.10 | 9.61 | 9.27 | <0.001 |
| Median | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | ||
| IQR | 8-14 | 8-13 | 8-13 | 7-12 | 7-11 | 7-11 | 6-10 | 6-10 | ||
| 65-74* | Mean | 12.76 | 12.36 | 11.75 | 11.32 | 10.95 | 10.67 | 10.34 | 10.03 | <0.001 |
| Median | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 8 | ||
| IQR | 9-14 | 8-14 | 8-13 | 8-13 | 7-12 | 7-12 | 7-11 | 7-11 | ||
| 75-84 | Mean | 14.15 | 13.68 | 13.31 | 12.80 | 12.50 | 12.31 | 12.04 | 11.46 | <0.001 |
| Median | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | ||
| IQR | 9-16 | 9-15 | 8-15 | 8-15 | 8-14 | 8-14 | 8-13 | 7-13 | ||
| ≥ 85 | Mean | 16.20 | 17.45 | 16.67 | 16.27 | 15.99 | 15.11 | 15.37 | 14.97 | 0.001 |
| Median | 13 | 14 | 13 | 12 | 13 | 12 | 12 | 11 | ||
| IQR | 10-18 | 10-20 | 10-20 | 9-18 | 9-19 | 9-18 | 8-18 | 8-17 | ||
| Total | Mean | 13.00 | 12.61 | 12.18 | 11.65 | 11.36 | 11.13 | 10.78 | 10.45 | <0.001 |
| Median | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | ||
| IQR | 9-15 | 8-14 | 8-14 | 8-13 | 7-13 | 7-12 | 7-12 | 7-11 | ||
IQR Inter quartile range
* P value for comparing means along the study period