Table 1.
Results of cemented and cementless series.
| Cemented | Cementless | p value | |
|---|---|---|---|
| Number of cases | 100 | 100 | NS |
| Patients | 94 | 95 | |
| Females | 59 | 57 | |
| Age | NS | ||
| Mean age at surgery | 73.16 | 72.25 | |
| Mean follow-up | 13.66 | 12.1 | |
| Previous surgery | NS | ||
| None | 85 | 79 | |
| Meniscus surgery | 9 | 9 | |
| Ligaments reconstruction | 2 | 5 | |
| Distal patella realignment | 2 | 4 | |
| Articular fracture | 2 | 3 | |
| Patient status | NS | ||
| Normal | 29 | 30 | |
| Overweight | 40 | 39 | |
| Obesity | 23 | 23 | |
| Morbid obesity | 8 | 8 | |
| Charnley classification | NS | ||
| A | 17 | 39 | |
| B | 74 | 56 | |
| C | 9 | 5 | |
| Aetiology | NS | ||
| Medial OA grade 2 | 8 | 6 | |
| Medial OA grade 3 | 63 | 59 | |
| Medial OA grade 4 | 10 | 10 | |
| Lateral OA grade 2 | 0 | 0 | |
| Lateral OA grade 3 | 9 | 11 | |
| Lateral OA grade 4 | 0 | 1 | |
| Posttraumatic OA | 3 | 3 | |
| Rheumatoid Arthritis | 4 | 5 | |
| Patellofemoral OA | 3 | 5 | |
| Surgical approach | |||
| ATT osteotomy | 1 | 0 | |
| Anterolateral | 14 | 11 | |
| Anteromedial | 85 | 89 | |
| HKA angle pre-op | NS | ||
| < 160 | 2 | 0 | |
| 160/164 | 6 | 17 | |
| 165/169 | 28 | 27 | |
| 170/173 | 35 | 19 | |
| 174/176 | 8 | 12 | |
| 177/179 | 4 | 1 | |
| 180 | 6 | 6 | |
| 181/183 | 1 | 2 | |
| 184/188 | 6 | 2 | |
| 189/192 | 3 | 4 | |
| > 193 | 1 | 6 | |
| Pre-operative range of motion | NS | ||
| > 137 | 34 | 34 | |
| 129/136 | 14 | 11 | |
| 121/128 | 12 | 8 | |
| 113/120 | 15 | 10 | |
| 105/112 | 8 | 11 | |
| 97/104 | 1 | 5 | |
| < 97 | 1 | 12 | |
| NR | 16 | 9 | |
| Flexum deformity pre-op | NS | ||
| > 15 | 4 | 11 | |
| 11–15 | 13 | 20 | |
| 5–10 | 28 | 25 | |
| < 5 | 47 | 44 | |
| NR | 7 | 0 |