Table 1 Patient demographics and clinical data
Data | Simultaneous BTHA | Staged BTHA | P value |
|---|---|---|---|
Number of patients (hips) | 63 (126) | 60 (120) | |
Mean age (years; range) | 43.1 (20 to 69) | 43.5 (17 to 77) | 0.871# |
Sex (n; %) | 0.336† | ||
Male | 39 (62) | 32 (53) | |
Female | 24 (38) | 28 (47) | |
Mean BMI (kg/m2; range) | 22.9 (15.8 to 30.9) | 23.3 (16.4 to 37.9) | 0.568# |
ASA grade (n; %) | 0.404† | ||
1 | 19 (30) | 18 (30) | |
2 | 38 (60) | 40 (67) | |
3 | 6 (10) | 2 (3) | |
4/5 | 0 | 0 | |
ARCO stage in ONFH (hips; %) | 0.638† | ||
III | 89 (71) | 88 (73) | |
IV | 37 (29) | 32 (27) | |
Ceramic head (n; %) | 0.817† | ||
28 mm | 18 (14) | 14 (12) | |
32 mm | 40 (32) | 38 (31) | |
36 mm | 68 (54) | 68 (57) | |
Mean follow-up (months; range) | 57.8 (24 to 98) | 62.7 (24 to 101) | 0.767‡ |
Mean length of hospital stay (days; range) | 10.5 (4 to 28) | 18.7 (8 to 45) | < 0.001‡ |
Mean hospital charge ($; range) | 12,608 (9645 to 21,469) | 14,910 (11,428 to 27,146) | < 0.001‡ |
Mean operative time (min; range) | 172 (108 to 245) | 162 (104 to 275) | 0.058# |
Mean intraoperative blood loss (mL; range) | 1037 (550 to 2000) | 1145 (600 to 2700) | 0.098‡ |