Longevity of service | Pre-op care | Total | ||
Yes | At times | No | ||
0 - 10 years | 9 | 3 | 19 | 31 |
11 - 20 years | 21 | 13 | 9 | 43 |
21 - 30 years | 13 | 4 | 9 | 26 |
Total | 43 | 20 | 37 | 100 |