. Author manuscript; available in PMC: 2022 Jun 1.

Published in final edited form as: J Arthroplasty. 2021 Feb 16;36(6):2197–2203.e3. doi: 10.1016/j.arth.2021.02.028

Table 1.

Distribution of pelvis images from normal and dislocation classes. The last column shows the P-value of independent t-test or Pearson chi-square tests comparing the two classes.

Variable (Unit)	Normal Class	Dislocation Class	P-value

Total Hip Arthroplasty surgeries (Number (%) of Total)	10713 (97.58)	266 (2.42)	-
Unique Patients (Number (%) of Total)	8822 (97.20)	254 (2.80)	-
Pelvis Images (Number (%) of Total)	91094 (98.40)	1490 (1.60)	-
THA Side (Right/Left Ratio)	1.18	1.03	0.31
Gender (Male/Female Ratio)	0.96	0.45	< 0.001
Age at surgery (Median ± IQR of years)	68 (16)	66 (20)	0.008
Weight (Median ± IQR of kilograms)	85 (28)	83 (24)	0.002
Height (Median ± IQR of meters)	1.69 (0.15)	1.66 (0.13)	0.048
Follow-up duration (Median ± IQR of years)	5.01 (4.22)	4.94 (4.25)	0.783
Time to dislocation (Median ± IQR of years)	-	2.62 (3.51)	-

IQR, interquartile range