Table 1.
Characteristics and differences of uncemented and cemented patients who underwent total hip arthroplasty (THA)
| Patient data | n (%) | Uncemented | Cemented | P |
|---|---|---|---|---|
| THA | 145 (100.0) | 45 (100.0) | 100 (100.0) | |
| Uncemented | 45 (31.0) | 45 (100.0) | 0 (0.0) | |
| Cemented | 100 (69.0) | 0 (0.0) | 100 (100.0) | |
| Age at admission | 145 (100.0) | 45 (100.0) | 100 (100.0) | <0.001 |
| <64 yrs | 46 (31.7) | 33 (73.3) | 13 (13.0) | |
| 65-69 | 32 (22.1) | 5 (11.1) | 27 (27.0) | |
| 70-74 | 40 (27.6) | 3 (6.7) | 37 (37.0) | |
| 75-79 | 17 (11.7) | 3 (6.7) | 14 (14.0) | |
| ≥80 yrs | 10 (6.9) | 1 (2.2) | 9 (9.0) | |
| Sex | 145 (100.0) | 45 (100.0) | 100 (100.0) | >0.999 |
| Female | 101 (69.7) | 31 (68.9) | 70 (70.0) | |
| Male | 44 (30.3) | 14 (31.1) | 30 (30.0) | |
| Disease duration | 145 (100.0) | 44 (100.0) | 100 (100.0) | 0.258 |
| <3 yrs | 30 (20.8) | 10 (22.7) | 20 (20.0) | |
| 4-6 yrs | 102 (70.8) | 28 (63.6) | 74 (74.0) | |
| 7 or more yrs | 12 (8.3) | 6 (13.6) | 6 (6.0) | |
| Body mass index (BMI) kg/m-2 | 144 (100.0) | 45 (100.0) | 99 (100.0) | 0.248 |
| Normal mass (<25.0) | 16 (11.1) | 8 (17.8) | 8 (8.1) | |
| Overweight (25.0-30.0) | 106 (73.6) | 31 (68.9) | 75 (75.8) | |
| Obesity (>30) | 22 (15.3) | 6 (13.3) | 16 (16.2) | |
| Educational level | 145 (100.0) | 45 (100.0) | 100 (100.0) | 0.009 |
| Primary school | 89 (61.4) | 20 (44.4) | 69 (69.0) | |
| Secondary school and more | 56 (38.6) | 25 (55.6) | 31 (31.0) | |
| Preoperative employment | 142 (100.0) | 45 (100.0) | 97 (100.0) | <0.001 |
| Unemployed | 8 (5.6) | 2 (4.4) | 6 (6.2) | |
| Retired | 51 (35.9) | 11 (24.4) | 40 (41.2) | |
| Employed | 26 (18.3) | 21 (46.7) | 5 (5.2) | |
| Partially employed | 9 (6.3) | 3 (6.7) | 6 (6.2) | |
| Housewife | 48 (33.8) | 8 (17.8) | 40 (41.2) | |
| Family situation | 136 (100.0) | 44 (100.0) | 92 (100.0) | 0.021 |
| Unaccompanied | 12 (16.2) | 6 (13.6) | 16 (17.4) | |
| Married | 74 (54.4) | 32 (72.7) | 42 (45.7) | |
| With children | 33 (24.3) | 5 (11.4) | 28 (30.4) | |
| With relatives | 7 (5.1) | 1 (2.3) | 6 (6.5) | |
| Last employment | 134 (100.0) | 42 (100.0) | 92 (100.0) | 0.034 |
| Manual | 111 (82.8) | 30 (71.4) | 81 (88.0) | |
| Sedentary | 23 (17.2) | 12 (28.6) | 11 (12.0) | |
| Cigarette smoking | 145 (100.0) | 45 (100.0) | 100 (100.0) | 0.017 |
| >20 cigarettes daily | 17 (11.7) | 11 (24.4) | 6 (6.0) | |
| <20 cigarettes | 33 (22.8) | 9 (20.0) | 24 (24.0) | |
| Ex smokers | 22 (15.2) | 6 (13.3) | 16 (16.0) | |
| Non-smokers | 73 (50.3) | 19 (42.2) | 54 (54.0) | |
| Incomes | 143 (100.0) | 44 (100.0) | 99 (100.0) | – |
| Pension | 63 (44.1) | 9 (20.5) | 54 (54.5) | |
| Pension and from children | 41 (28.7) | 11 (25.0) | 30 (30.3) | |
| Salary no more than pension | 20 (14.0) | 12 (27.3) | 8 (8.1) | |
| Salary higher than pension | 12 (8.4) | 10 (22.7) | 2 (2.0) | |
| Salary more than 4000.00 kn | 1 (1.7) | 1 (2.3) | 0 (0.0) | |
| Other incomes | 6 (4.2) | 1 (2.3) | 5 (5.1) |
A dash (-) indicates non applicable, i.e. p-values were not calculated for those tests when extreme distribution has appeared