Fig. 2. Preoperative and 6-month, 1-yr, and 2-yr postoperative Short Form-36 norm-based physical function domain scores for 845 subjects undergoing primary coronary artery bypass graft surgery. The lower and upper borders of the box plots represent the 25thand 75thpercentile values, and the ends of the upper and lower whiskers represent the 10thand 90thpercentile values. The dashed line connects the median values for preoperative and follow-up points. * Significantly higher than preoperative baseline (P < 0.0001). # Significantly lower than previous postoperative point (P = 0.0001). PF = physical function; SF = Short Form.