Comparison of intraoperative complications between subgroups in the laser group
| Total laser group (n=3289) | Subgroup A (n=250) | Subgroup B (n=250) | Subgroup C (n=250) | Subgroup D (n=2539) | |
| Suction break, no. (%) | 5 (0.15) | 2 (0.80)* | 0 (0.00) | 1 (0.40) | 2 (0.08) |
| Incomplete capsulotomy, no. (%) | 162 (4.93) | 23 (9.20)*** | 15 (6.00) | 16 (6.40) | 108 (4.25) |
| Radial anterior capsule tear, no. (%) | 40 (1.22) | 9 (3.60)*** | 3 (1.20) | 4 (1.60) | 24 (0.95) |
| Incomplete corneal incisions, no. (%) | 193 (5.87) | 34 (13.60)*** | 17 (6.80) | 18 (7.20) | 124 (4.88) |
| Incomplete lens prefragmentation, no. (%) | 60 (1.82) | 14 (5.60)*** | 11 (4.40)*** | 1 (0.40) | 34 (1.34) |
| Intraoperative miosis, no. (%) | 232 (7.05) | 45 (18.00)*** | 17 (6.80) | 18 (7.20) | 152 (5.99) |
| Intraoperative miosis interfered, no. (%) | 65 (1.98) | 16 (6.40)*** | 3 (1.20) | 2 (0.80) | 44 (1.73) |
| Posterior capsule rupture, no. (%) | 27 (0.82) | 2 (0.80) | 3 (1.20) | 2 (0.80) | 20 (0.79) |
| Posterior lens dislocation, no. (%) | 3 (0.09) | 1 (0.40) | 0 (0.00) | 0 (0.00) | 2 (0.08) |
| Repeated docking, no. (%) | 297 (9.03) | 32 (12.80)* | 25 (10.00) | 21 (8.40) | 219 (8.63) |
| Number of docking attempt, mean±SD | 1.15±0.51 | 1.22±0.69** | 1.14±0.48 | 1.14±0.51 | 1.14±0.49 |
| Subconjunctival haemorrhage, no. (%) | 853 (25.93) | 109 (43.60)*** | 84 (33.60)*** | 69 (27.60) | 591 (23.28) |
*p<0.05, **p< 0.01, ***p< 0.001, versus subgroup D.