Table 2.

Demographics and clinical data in hip arthroscopies with or without chondroplasty (n = 137)

Variable	Hips with chondroplasty (n = 111)	Hips without chondroplasty (n = 26)	p value
Demographics
Age at surgery (years)*	38.0 (9.6) (17–59)	47.1 (8.3) (24–58)	0.001
Sex (number of males, females)	73, 28	17, 9	0.32
BMI*	26.8 (4.0) (19.4–39.0)	27.1 (3.9) (21.5–33.8)	0.73
Clinical data
Alpha angle (°)*	65.6 (9.8) (29.9–90.0)	59.2 (9.6) (40.0–77.4)	0.003
Center-edge angle (°)*	32.8 (6.1) (21.0–51.0)	34.5 (7.7) (22.7–52.5)	0.23
Beck type†	4 (2–4) (1–5)	4 (2–5) (1–5)	0.40
Tönnis grade†	1 (0–1) (0–2)	1 (0–1) (0–2)	0.10

* Values are expressed as mean, with SD and range in parentheses; values are expressed as median, with quartile and range in parentheses.