Parameters | Group A | Group B | P value |
---|---|---|---|
No. of patients (hips) | 45(45) | 45(45) | - |
Gender, no. (%) | 0.202 c | ||
Male | 16 (35.56) | 23 (51.11) | Â |
Female | 29 (64.44) | 22 (48.89) | Â |
Age (years) d | 63.89 ±8.56 | 63.49±8.16 | 0.805 b |
Weight (kg) d | 80.29±14.06 | 81.28±14.83 | 0.942 b |
Height (m) d | 1.68±0.08 | 1.69±0.1 | 0.764 a |
BMI (kg/m2) d | 28.45±4.95 | 28.52±4.31 | 0.869 b |
CCI d | 2.38±1.21 | 2.2±1.16 | 0.541 b |
Femoral canal (Dorr type), No. (%) | 0.672 c | ||
Type A | 12 (26.67) | 14 (31.11) | Â |
Type B | 28 (62.22) | 24 (53.33) | Â |
Type C | 5 (11.11) | 7 (15.56) | Â |
Principal diagnosis, no. (%) | 0.519 c | ||
Osteonecrosis | 2 (4.44) | 0 (0) | Â |
DDH | 8 (17.78) | 10 (22.22) | Â |
Osteoarthritis | 31 (68.89) | 30 (66.67) | Â |
Traumatic arthritis | 4 (8.88) | 4 (8.88) | Â |
Rheumatoid arthritis | 0 (0) | 1 (2.22) | Â |
Side, no. (%) | 0.397 c | ||
Right | 22 (48.89) | 27 (60) | Â |
Left | 23 (51.11) | 18 (40) | Â |
Length of hospital stay (days) d [min., max.] | 4.47 (0.99) [2, 7] | 4.4 (0.75) [3, 6] | 0.719 b |
Estimated blood loss (ml) d [min., max.] | 1037.58 (156.85) [613.14, 1245.39] | 994.01 (216.01) [545.86, 1530.17] | 0.276 a |
Operation time (minutes) d [min., max.] | 64.6 (15.67) [40, 95] | 60.18 (12.78) [42, 95] | 0.146 a |
Femoral stem offset, no. (%) | 0.139 c | ||
Standard | 20(44.44) | 28 (62.22) | Â |
High | 25(55.56) | 17(37.78) | Â |
Bearing surface, no. (%) | 0.80 c | ||
Ceramic on ceramic | 36 (80) | 34(75.55) | Â |
Ceramic on polyethylene | 9(20) | 11(24.45) | Â |
Femoral head size, no. (%) | 0.673 c | ||
32mm | 22(48.89) | 25(55.56) | Â |
36mm | 23(51.11) | 20(44.44) | Â |