Table 8.

Multiple regression analysis of changes in antigen expression in muscle

Antigen		Time	Predictor variables	r2	P
CD11b (leukocytes)	Exercise	24 h	Test/Cort post exercise (−)		0.0065
				0.97
			Eccentric VO2 (l min−1) (+)		0.0027
	Control	24 h	NK (CD56 + CD16 + CD57-CD3-) cell number at rest (+)	0.99	0.0005
CD56 (satellite cells)	Exercise	24 h	Change in CD45 expression on CD14 + DR- monocytes from rest to post) (−)		0.0039
				0.92
	Exercise	48 h	CD14 expression on DR+ monocytes at 6 h (−)		0.0030
				0.87
			Change in CD11b expression on CD62L+ monocytes from rest to 6 h (−)		0.0005
	Control	24 h	?
CD163 (macrophages)	Exercise	48 h	CD11b in muscle post exercise (+)		< 0.0001
				0.98
			CD45 expression on CD14 + DR+ monocytes at rest(+)		0.0003
	Control	48 h	CD11b in muscle at 6 h (−)		0.0085
				0.98
		4 days	Change in CD11b expression on CD62L+ monocytes from rest to 4 days (+)		0.0063
				0.92
IL-1α	Exercise		No change
	Control	6 h	NK (CD56 + CD16 + CD57-CD3-) cell number at rest (+)	0.91	0.0081
IL-1β	Exercise	Post	Excentric VO2 (ml min−1 kg−1) (−)		0.0095
				0.95
			CD14 expression on DR+ monocytes (rest)(−)		0.0421
	Control		?

Exercise, n = 7; control, n = 5. Positive (+) or negative (−) correlation in parenthesis; r², multiple correlation coefficient adjusted for multiple predictor variables; P, individual probability for each predictor variable.