Table 2

Crude and adjusted total, lateral and medial tibial cartilage volumes^2-150

		Crude result		Difference (95% CI)		Adjusted result^2-152		Difference (95% CI)
		ERT^2-151 (SD)	Control (SD)	Difference (95% CI)		ERT (SE)	Control (SE)	Difference (95% CI)
Total tibial cartilage volume (ml)	2.98 (0.47)	2.75 (0.50)	0.23^2-153(0.01 to 0.45)	3.05 (0.08)	2.75 (0.8)	0.30^¶ (0.08 to 0.52)
Lateral tibial cartilage volume (ml)	2.00 (0.38)	1.81 (0.37)	0.19^2-153 (0.02 to 0.36)	2.04 (0.06)	1.80 (0.06)	0.23^¶(0.06 to 0.40)
Medial tibial cartilage volume (ml)	0.99 (0.16)	0.94 (0.20)	0.05 (−0.03 to 0.13)	1.01 (0.03)	0.95 (0.03)	0.07^**3 (−0.01 to 0.15)

↵2-150 Adjusted for bone size using tibial plateau area.
↵2-151 ERT = oestrogen replacement therapy.
↵2-152 Adjusted for years since menopause to body mass index to age of menopause and smoking.
↵2-153 p<0.05 to ^¶p<0.01 to 3^**p<0.1.