Table 1.
Patient and procedural characteristics
| Phase I (n=331) | Phase II (n=252) | P values Phase I vs. II, TOTAL | P values Phase I vs II, LVE | P values Phase I vs II, HVE | |||||
|---|---|---|---|---|---|---|---|---|---|
| Total | LVE (n=78) | HVE (n=253) | Total | LVE (n=36) | HVE (n=216) | ||||
| Age (mean ± SD) | 60.1±17.1 | 62.8±19.7 | 59.2±16.2 | 60.0±17.1 | 64.5±14.5 | 59.2±17.4 | 0.9546 | 0.6460 | 0.9912 |
| Gender | 0.4437 | 0.0439 | 0.8553 | ||||||
| Male | 172 | 34 | 138 | 139 | 23 | 116 | |||
| Female | 159 | 44 | 115 | 113 | 13 | 100 | |||
| Indication | 0.0038 | 0.0119 | 0.0046 | ||||||
| Abnormal LFTs | 25 | 12 | 13 | 14 | 11 | 3 | |||
| Stone | 103 | 36 | 67 | 71 | 10 | 61 | |||
| Stricture | 158 | 23 | 135 | 103 | 6 | 97 | |||
| Others | 45 | 7 | 38 | 64 | 9 | 55 | |||
| Complexity Score (mean ± SD) | 2.28 ± 0.74 | 1.99 ± 0.61 | 2.37 ± 0.76 | 2.22 ± 0.84 | 1.53 ± 0.56 | 2.33 ± 0.82 | 0.371 | 0.0002 | 0.6384 |