Table 2.
Recent studies comparing urogenital outcomes of RALS versus CLS for rectal cancer
| Outcome First author | Year | Study design | Number of patients | Results | P‐value | |
|---|---|---|---|---|---|---|
| RALS | CLS | |||||
| IPSS at 3 mo after surgery | ||||||
| Lee SH | 2015 | Meta‐analysis | 44 | 54 | Better in RALS | 0.02 |
| Broholm M | 2015 | Meta‐analysis | 76 | 86 | Better in RALS | 0.04 |
| Kim HJ | 2018 | Case‐matched study | 130 | 130 | N.S. | |
| IPSS at 6 months after surgery | ||||||
| Lee SH | 2015 | Meta‐analysis | 44 | 54 | N.S. | |
| Broholm M | 2015 | Meta‐analysis | 76 | 86 | N.S. | |
| Jayne D | 2017 | Randomized controlled trial | 175 | 176 | N.S. | |
| Kim HJ | 2018 | Case‐matched study | 130 | 130 | Better in RALS | 0.02 |
| IPSS at 12 months after surgery | ||||||
| D'Annibale A | 2013 | Prospective study | 30 | 30 | N.S. | |
| Lee SH | 2015 | Meta‐analysis | 60 | 69 | Better in RALS | 0.09 |
| Broholm M | 2015 | Meta‐analysis | 92 | 101 | Better in RALS | 0.05 |
| Wang G | 2017 | Randomized prospective study | 71 | 66 | Better in RALS | <0.05 |
| IIEF at 3 months after surgery | ||||||
| Lee SH | 2015 | Meta‐analysis | 32 | 29 | Better in RALS | 0.005 |
| Broholm M | 2015 | Meta‐analysis | 64 | 64 | Better in RALS | 0.002 |
| IIEF at 6 months after surgery | ||||||
| Lee SH | 2015 | Meta‐analysis | 32 | 29 | Better in RALS | 0.03 |
| Broholm M | 2015 | Meta‐analysis | 64 | 61 | Better in RALS | <0.0001 |
| Jayne D | 2017 | Randomized controlled trial | 97 | 84 | N.S. | |
| IIEF at 12 months after surgery | ||||||
| D'Annibale A | 2013 | Prospective study | 30 | 30 | Better in RALS | 0.045 |
| Wang G | 2017 | Randomized prospective study | 71 | 66 | Better in RALS | 0.034 |
CLS, conventional laparoscopic surgery; IIEF, International Index of Erectile Function questionnaire; IPSS, International Prostate Symptom Score; N.S., not significant; RALS, robotic‐assisted laparoscopic surgery.