Detailed scores of porcine eyes performance of the participants in group A and group B
| Group A (n=42) | Group B (n=41) | P value | |
| Cornea suturing (95% CI) | 6.50 (6.20 to 6.80) | 6.29 (6.06 to 6.52) | 0.26a |
| Suture distance | 0.74 (0.111) | 0.71 (0.095) | 0.26 |
| Uniformity | 0.64 (0.158) | 0.60 (0.123) | 0.35b |
| Suture span | 0.71 (0.142) | 0.66 (0.134) | 0.09b |
| Uniformity | 0.65 (0.157) | 0.58 (0.118) | 0.05b |
| Suture thickness | 0.65 (0.124) | 0.62 (0.127) | 0.38b |
| Uniformity | 0.57 (0.127) | 0.52 (0.864) | 0.03b |
| Tissue protection | 0.73 (0.085) | 0.68 (0.125) | 0.03b |
| Time cost | 1.24 (0.514) | 1.30 (0.581) | 0.67b |
| Capsulorhexis (95% CI) | 6.19 (5.78 to 6.60) | 6.15 (5.81 to 6.49) | 0.87a |
| Circularity | 1.26 (0.457) | 1.34 (0.378) | 0.49b |
| Size | 1.10 (0.336) | 1.02 (0.273) | 0.29b |
| Centring | 1.28 (0.253) | 1.28 (0.275) | 0.82b |
| Tissue protection | 1.23 (0.376) | 1.31 (0.314) | 0.65b |
| Time cost | 1.33 (0.373) | 1.20 (0.369) | 0.09b |
Data were expressed as mean (SD) when otherwise indicated.
Statistical methods: a, Fisher's exact test; b, Mann-Whitney U test