Skip to main content

Advertisement

Table 5 Comparison of fresh-fracture patients who healed with LIPUS to patients who did not heal

From: A cohort study of 4,190 patients treated with low-intensity pulsed ultrasound (LIPUS): findings in the elderly versus all patients

  Healed (± SD) N or % Failed (± SD) N or % Significance
Patient age (years) 43.2 (±18.1) 4,000 47.7 (±16.7) 157 0.0009
Weight (lb) 170.4 (±43.1) 3,166 173.9 (±41.9) 130 NS
Height (in) 67.9 (±4.7) 3,181 67.0 (±4.4) 128 NS
Body-mass index 25.8 (±5.5) 3,150 26.9 (±5.8) 128 NS
Days-to-treatment (mean) 38.3 (±24.3) 4,013 47.1 (±27.3) 157 0.0001
Days-on-treatment (mean) 115.6 (±83.1) 4,032 193.0 (±119.7) 158 <0.0001
Female (vs. male) (%)** 1,674 (vs. 2,356) 41.5% 71 (vs. 85) 45.5% NS
Open (vs. closed fracture) (%)** 669 (vs. 3,212) 17.2% 41 (vs. 108) 27.5% 0.002
Number of prior procedures (mean) 1.4 (±0.8) 950 1.6 (±1.2) 41 NS
Number of comorbidities (mean) 1.4 (±0.7) 727 1.4 (±0.5) 36 NS
Number of medications (mean) 0.4 (±0.7) 2,639 0.7 (±0.9) 108 0.003
Smoking years (mean) 5.0 (±10.6) 3,062 7.2 (±11.8) 121 NS
  1. This approach should be very sensitive to risk factors that increase the risk of treatment failure. The p values shown are from T-tests, except for comparisons with an asterisk (**), which were tested using Fischer’s exact test because they are dichotomous variables.