Table 2 Multivariate Analysis of Factors Associated with Laparoscopic Colectomy
From: Laparoscopic versus open colectomy for colon cancer in an older population: a cohort study
Variable | Estimate | OR | 95% CI | P value* |
|---|---|---|---|---|
Year of diagnosis relative to 1996 | 0.0891 | 1.093 | (1.039, 1.150) | 0.001 |
Stage | Â | Â | Â | Â |
   Regional (relative to localized) | -0.1583 | 0.854 | (0.696, 1.047) | 0.01° |
   Distant (relative to localized) | -0.4730 | 0.623 | (0.448, 0.866) |  |
Left-sided tumor | -0.3260 | 0.722 | (0.584, 0.892) | 0.003 |
California residence | 0.6293 | 1.876 | (1.499, 2.349) | < 0.0001 |
Large metropolitan area | 0.4975 | 1.645 | (1.308, 2.068) | < 0.001 |
Education levela | -0.0221 | 0.978 | (0.967, 0.990) | 0.0002 |
NCI cancer center designation | 0.8637 | 2.372 | (1.555, 3.619) | < 0.001 |