Table 3.
Diabetes characteristics before surgery
| Total (n = 86) |
Group 1 (n = 18) |
Group 2 (n = 32) |
Group 3 (n = 24) |
Group 4 (n = 12) |
|
|---|---|---|---|---|---|
| Mean duration of diabetes treatment, years (range) | 9.8 (0.3–40) | 7.0 (0.3–40) | 5.3 (1–15) | 12.5 (7–27) | 20.0 (11–30) |
| Mean duration of insulin treatment, years (range) | – | 2.5 (0.3–4) | 7.5 (5–10) | 15.2 (11–25) | |
| Mean insulin usage/day, units (range) | 87 (20–250) | 160 (60–500) | 159 (69–300) | ||
| Mean HbA1c, % (range) | 9.4 (6.0–14.3) | 9.1 (6.0–13.5) | 9.5 (6.0–14.3) | 9.5 (6.8–12.3) | 9.5 (6.9–11.8) |