. Author manuscript; available in PMC: 2018 Nov 1.

Published in final edited form as: Arthritis Care Res (Hoboken). 2017 Sep 21;69(11):1651–1658. doi: 10.1002/acr.23208

Table 4.

Baseline chondrocalcinosis and intermittent, constant knee pain (continuous measurements) at year 4

CC at baseline	Crude model		Adjusted model^*
CC at baseline	mean (95% CI)	p-value	adjusted mean (95% CI)	p-value
ICOAP Knee Intermittent Pain Score at Year 4 (0–100)
CC− (n=1760)	9.2 (8.3,10.0)	0.05	8.2 (7.4,9.1)	0.02
CC+ (n=138)	12.0 (9.2,14.9)		11.7 (8.7,14.6)

ICOAP Knee Constant Pain Score at Year 4 (0–100)
CC− (n=1760)	1.9 (1.4,2.4)	0.20	1.9 (1.4,2.4)	0.12
CC+ (n=138)	3.2 (1.2,5.2)		3.5 (1.4,5.5)

ICOAP Knee Intermittent and Constant Pain Total Score at Year 4 (0–100)

CC− (n=1759)	5.8 (5.3,6.4)	0.03	5.3 (4.8,5.9)	0.01
CC+ (n=138)	8.1 (6.1,10.1)		8.0 (6.0,10.1)

Adjusting for age, gender, BMI, and KL grade at baseline