Table 3.
Demographic characteristics and baseline tests of clusters
| Cluster 1 (n = 16) | Cluster 2 (n = 24) | ANOVA | |
|---|---|---|---|
| Age (years) | 80.9 ± 5 | 81 ± 8 | NS |
| Male/female ratio | 1/15 | 2/22 | NS |
| Marital status (n) | NS | ||
| Married | 5 | 8 | |
| Widowed | 11 | 16 | |
| Educational level (n) | NS | ||
| Primary school or less | 13 | 18 | |
| Secondary school | 3 | 6 | |
| Type of fracture (n) | NS | ||
| Intracapsular fractures | 5 | 7 | |
| Trochanteric and basocervical fractures | 11 | 17 | |
| Hospitalization (days) | |||
| Total | 16.8 ± 5.9 | 13.6 ± 3.4 | P < 0.05 |
| Preoperative | 8.9 ± 3.8 | 8 ± 2.9 | NS |
| Postoperative | 7.9 ± 4.3 | 5.6 ± 2.1 | P < 0.05 |
| SF-36 items (mean ± SD) | |||
| General health | 90 ± 2.6 | 92.9 ± 2 | NS |
| Vitality | 56.3 ± 2.6 | 52.9 ± 2.8 | NS |
| Bodily pain | 55.7 ± 5.5 | 63.8 ± 3.2 | NS |
| Physical functioning | 72.5 ± 5 | 33.4 ± 6 | P < 0.001 |
| Role limitation, physical | 80.3 ± 8.5 | 0 | P < 0.001 |
| Role limitation, emotional | 70.3 ± 9.6 | 7.6 ± 3.7 | P < 0.001 |
| Social functioning | 54.9 ± 5.5 | 64.8 ± 2.9 | NS |
| Mental health | 59.4 ± 2.7 | 48.6 ± 3.1 | NS |
Abbreviations: n, number; ANOVA, analysis of variance; NS, no significant difference; SF-36, Short Form 36-item health survey questionnaire; SD, standard deviation.