| CTC positive group | CTC negative group | Overall group | ||||||||||||
Number of cases | Preoperative | Postoperative | t | P | Number of cases | Preoperative | Postoperative | t | P | Number of cases | Preoperative | Postoperative | t | P | |
ORN group | 18 | 11.301 ± 1.3560 | 6.401 ± 0.8671 | 6.064 | 0.047 | 14 | 3.845 ± 0.2016 | 3.973 ± 1.621 | 0.082 | 0.745 | 32 | 7.201 ± 1.0560 | 3.830 ± 0.7781 | 1.062 | 0.0417 |
RLRN group | 16 | 10.314 ± 0.9675 | 4.957 ± 1.2860 | 1.072 | <0.01 | 15 | 1.445 ± 0.3116 | 7.273 ± 1.822 | 4.154 | <0.01 | 31 | 8.657 ± 1.6860 | 3.173 ± 1.1320 | 2.004 | 0.0210 |