Table 2.
Median length of stay (in days) for lumbar surgery stratified by age group
| Year | Age group; median (IQR)* | |||||||
|---|---|---|---|---|---|---|---|---|
| 20–29 yr (n = 466) | 30–39 yr (n = 1663) | 40–49 yr (n = 2650) | 50–59 yr (n = 3300) | 60–69 yr (n = 3984) | 70–79 yr (n = 3530) | 80–89 yr (n = 763) | ≥90 yr (n = 7) | |
| 1993/94 | 7 (6–8) | 7 (5–9) | 7 (5–8) | 8 (6–10) | 9 (7–12) | 11 (8–15) | 17 (10–24) | |
| 1994/95 | 7 (6–7) | 7 (5–8) | 7 (6–9) | 8 (6–10) | 8 (7–11) | 10 (8–12) | 14 (10–20) | |
| 1995/96 | 7 (5–10) | 7 (5–9) | 7 (6–8) | 7 (6–9) | 8 (6–10) | 9 (7–13) | 8 (3–12) | |
| 1996/97 | 5 (5–8) | 6 (4–8) | 6 (5–7) | 7 (6–9) | 7 (6–10) | 8 (7–11) | 9 (9–10) | |
| 1997/98 | 5 (5–6) | 5 (4–6) | 6 (5–7) | 6 (5–8) | 6 (5–8) | 8 (6–10) | 11 (8–17) | |
| 1998/99 | 6 (4–7) | 5 (4–7) | 6 (4–7) | 6 (5–7) | 7 (5–8) | 8 (6–11) | 7 (6–12) | |
| 1999/2000 | 5 (4–6) | 5 (4–6) | 6 (4–7) | 6 (5–8) | 7 (5–8) | 7 (6–9) | 9 (7–13) | |
| 2000/01 | 5 (5–7) | 5 (4–6) | 5 (4–7) | 6 (4–7) | 7 (5–8) | 7 (5–10) | 9 (7–13) | |
| 2001/02 | 4 (3–6) | 5 (4–6) | 5 (4–6) | 6 (4–7) | 6 (5–8) | 7 (5–9) | 8 (6–13) | |
| 2002/03 | 6 (4–7) | 5 (4–6) | 5 (4–6) | 6 (4–7) | 6 (4–7) | 7 (5–8) | 7 (5–12) | |
| 2003/04 | 4 (3–6) | 5 (3–6) | 4 (3–6) | 4 (3–6) | 5 (4–7) | 6 (4–8) | 6 (5–9) | |
| 2004/05 | 5 (4–7) | 5 (3–6) | 5 (3–6) | 5 (4–7) | 6 (4–7) | 6 (4–8) | 7 (5–11) | |
| 2005/06 | 5 (3–7) | 4 (3–6) | 4 (3–5) | 5 (4–6) | 5 (4–7) | 5 (4–7) | 5 (4–7) | |
| 2006/07 | 4 (3–5) | 4 (3–5) | 4 (3–5) | 5 (4–6) | 5 (4–7) | 6 (4–8) | 7 (5–11) | |
| 2007/08 | 4 (3–5) | 4 (2–5) | 4 (3–5) | 4 (3–5) | 5 (3–6) | 5 (4–7) | 5 (4–8) | |
| 2008/09 | 4 (2–5) | 4 (2–5) | 4 (2–5) | 4 (3–5) | 5 (3–6) | 5 (3–7) | 6 (4–8) | |
| 2009/10 | 3 (2–4) | 3 (2–5) | 4 (2–5) | 4 (3–5) | 5 (3–6) | 5 (4–7) | 5 (4–7) | |
| 2010/11 | 3 (2–5) | 4 (2–5) | 3 (2–5) | 4 (3–5) | 5 (3–6) | 5 (3–7) | 6 (4–7) | |
| 2011/12 | 3 (2–5) | 4 (2–5) | 3 (2–5) | 4 (3–5) | 5 (3–6) | 5 (4–7) | 5 (3–7) | |
| Total | 5 (3–6) | 5 (3–6) | 5 (3–6) | 5 (4–7) | 5 (4–7) | 6 (4–8) | 6 (5–10) | 7 (6–11) |
IQR = interquartile range.
*
Cell sizes with < 6 cases were suppressed.