Table 4 Exploratory analysis of stone composition in 1025 unrelated index patients.
From: Predictors of gallstone composition in 1025 symptomatic gallstones from Northern Germany
B | C | CB | O | |
|---|---|---|---|---|
N | 19 | 846 | 85 | 75 |
stone weight | 0.6 (0.2–1.1) g | 1.6 (0.7–3.4) g | 2.0 (1.0–4.9) g | 0.7 (0.2 – 1.5) g |
%male | 58% | 23% | 38% | 28% |
BMI | 25.5 (23.1 – 29.1) | 27.1 (24.7 – 30.4) | 27.1 (25.0 – 29.1) | 27.0 (23.7 – 29.0) |
parity (females) | 2 (2 – 2) | 2 (1 – 3) | 2 (1 – 2) | 2 (2 – 2) |
age of operation | 60 (48 – 63) | 53 (43–60) | 56 (44–62) | 55 (47 – 61) |
family history | 53% | 46% | 45% | 36% |