Table 2.

Distribution of outcomes in legs with and without PTS (dichotomous variable)

OutcomeLegs with PTS, median (25th-75th percentile)Legs without PTS, median (25th-75th percentile)P value, 
Calf function Ejection volume (ohms) 3.28 (2.87-3.28) 3.87 (2.89-4.62) .06 
 Venous volume (ohms) 7.93 (4.50-8.62) 8.70 (7.10-10.40) .43 
 Ejection fraction (%) 36 (29-56) 45 (33-59) .29 
AUC for power during active cycling Incremental cycling test 20 768 (19 032-22 810) 23 388 (17 494-26 822) .86 
 Constant-load cycling test 12 698 (12 369-13 869) 13 592 (12 611-14 511) .19 
Lowest SmO2 during active cycling (%) Incremental cycling test 25.9 (21.6-33.0) 31.7 (24.2-39.6) .13 
 Constant-load cycling test 46.5 (36.9-51.3) 49.4 (42.4-60.5) .002 
SmO2 at 10 seconds during recovery (%) Incremental cycling test 39.9 (30.9-42.4) 39.6 (29.4-52.7) .02 
 Constant-load cycling test 48.7 (46.6-56.3) 56.8 (45.4-74.6) <.001 
AUC for SmO2 during recovery Incremental cycling test 1 763 (1 133-1 918) 1 768 (1 590-2 341) .004 
 Constant-load cycling test 505 (477-566) 566 (499-751) <.001 
OutcomeLegs with PTS, median (25th-75th percentile)Legs without PTS, median (25th-75th percentile)P value, 
Calf function Ejection volume (ohms) 3.28 (2.87-3.28) 3.87 (2.89-4.62) .06 
 Venous volume (ohms) 7.93 (4.50-8.62) 8.70 (7.10-10.40) .43 
 Ejection fraction (%) 36 (29-56) 45 (33-59) .29 
AUC for power during active cycling Incremental cycling test 20 768 (19 032-22 810) 23 388 (17 494-26 822) .86 
 Constant-load cycling test 12 698 (12 369-13 869) 13 592 (12 611-14 511) .19 
Lowest SmO2 during active cycling (%) Incremental cycling test 25.9 (21.6-33.0) 31.7 (24.2-39.6) .13 
 Constant-load cycling test 46.5 (36.9-51.3) 49.4 (42.4-60.5) .002 
SmO2 at 10 seconds during recovery (%) Incremental cycling test 39.9 (30.9-42.4) 39.6 (29.4-52.7) .02 
 Constant-load cycling test 48.7 (46.6-56.3) 56.8 (45.4-74.6) <.001 
AUC for SmO2 during recovery Incremental cycling test 1 763 (1 133-1 918) 1 768 (1 590-2 341) .004 
 Constant-load cycling test 505 (477-566) 566 (499-751) <.001 

Using GEE

Bolded values indicate statistical signficance

or Create an Account

Close Modal
Close Modal