Table 2.
Mean, Standard Deviation, Ranges, Median, and Interquartile Range (Gray) for Operative Times for Each Node
| Node | Patients in node (n) | Mean operative time (minutes) | SD (minutes) | Minimum operative time (minutes) | Maximum operative time (minutes) | 25th percentile (minutes) | Median operative time (minutes) | 75th percentile (minutes) |
|---|---|---|---|---|---|---|---|---|
| 3 | 89 | 355 | 57 | 193 | 509 | 320 | 354 | 389 |
| 7 | 155 | 283 | 50 | 159 | 475 | 256 | 282 | 316 |
| 8 | 51 | 316 | 58 | 226 | 475 | 275 | 311 | 344 |
| 9 | 77 | 324 | 67 | 186 | 542 | 279 | 322 | 359 |
| 12 | 91 | 274 | 57 | 178 | 466 | 230 | 260 | 306 |
| 14 | 176 | 244 | 57 | 112 | 483 | 210 | 242 | 277 |
| 15 | 39 | 277 | 64 | 134 | 423 | 246 | 280 | 314 |
| 16 | 128 | 284 | 70 | 132 | 460 | 235 | 285 | 316 |
| 19 | 121 | 178 | 43 | 84 | 297 | 152 | 177 | 209 |
| 21 | 118 | 160 | 36 | 76 | 263 | 133 | 156 | 182 |
| 22 | 11 | 217 | 47 | 141 | 314 | 200 | 226 | 238 |
| 25 | 521 | 184 | 44 | 73 | 340 | 152 | 184 | 209 |
| 26 | 23 | 231 | 58 | 141 | 356 | 188 | 227 | 272 |
| 27 | 109 | 213 | 57 | 113 | 475 | 176 | 205 | 251 |