Table 2.
Intraoperative characteristics of patients from randomized control trials
| Ref. |
Number of patients (%) |
Conv % |
Op time (min) |
Blood loss (mL) |
Length of incision (cm) |
|||||||||
| Total |
Open |
Lap |
Open | Lap | Open | Lap | Open | Lap | ||||||
| Total | LAR | APR | Total | LAR | APR | |||||||||
| Kang et al[40] | 340 | 170 | 146 (75.9) | 24 (14.1) | 170 | 151 (88.8) | 19 (11.2) | 1.2 | 197.0 (62.9) | 244.9 (75.4)a | 217.5 (150.0-400.0) | 200.0 (100.0-300.0)a | 20.0 (18.0-23.0) | 5.0 (4.5-6.0) |
| Ng eet al[45] | 153 | 77 | 77 (100) | 0 (0) | 76 | 76 (100) | 0 (0) | 30.3 | 154.0 (70.3) | 213.1 (59.3)a | 337.3 (0-2542) | 280.0 (0-3000) | NA | NS |
| Lujan et al[31] | 204 | 103 | 81 (78.6) | 22 (21.4) | 101 | 77 (76.2) | 24 (23.8) | 7.9 | 172.9 (59.4) | 193.7 (45.1)a | 234.2 (± 174.3) | 127.8 (± 113.3)a | NA | NA |
| Ng et al[39] | 99 | 48 | 0 (0) | 48 (100) | 51 | 0 (0) | 51 (100) | 9.8 | 163.7 (43.4) | 213.5 (46.2)a | 555.6 (0-4720) | 321.7 (0-3000) | ||
| Guillou et al[7]/Jayne et al[12] | 343 | 113 | 79 (69.9) | 34 (30.1) | 230 | 167 (72.6) | 63 (27.4) | 34 | 180 (135-220) | 135 (100-180) | NA | NA | 22 (18-29) | 10 (6-17) |
| Braga et al[38] | 168 | 85 | 74 (87.1) | 11 (12.9) | 83 | 76 (92) | 7 (84) | 7.2 | 209 (72) | 262 (72)a | 396 (50-1600) | 213 (50-1600)a | 19.1 (± 3.1) | 5.8 (± 0.8)a |
| Zhou et al[35] | 171 | 89 | 89 (100) | 0 (0) | 82 | 82 (100) | 0 (0) | NA | 106 (80-230) | 120 (110-220)a | 92 (50-200) | 20 (5-120)a | NA | NA |
| Araujo et al[34] | 28 | 15 | 0 (0) | 15 (100) | 13 | 0 (0) | 13 (100) | 0 | 284 | 228a | NA | NA | NA | NA |
Conv: Conversion rate; LAR: Low anterior resection; APR: Abdominoperineal resection; NA: Not available.
a
P < 0.05 vs Open.