One-minute stair climbing, 50-foot walk, and timed up-and-go were responsive measures for patients with chronic low back pain undergoing lumbar fusion surgery

Table 6 Results of Hypothesis-Testing for Responsiveness

Physical capacity tasks	Construct-specific GPE used in Hypotheses 1 & 2	Responsiveness hypotheses confirmed					Percentage of hypotheses confirmed
Physical capacity tasks	Construct-specific GPE used in Hypotheses 1 & 2	1	2	3	4	5	Percentage of hypotheses confirmed
5-min walk	GPE_walking	–	–	+	+	–	2 of 5 = 40%
1-min stair climbing	GPE_{stair climbing}	+	+	+	+	–	4 of 5 = 80%
50-ft walk	GPE_walking	+	+	+	+	–	4 of 5 = 80%
Timed up-and-go	GPE_walking	+	+	+	+	+	5 of 5 = 100%
Timed up-and-go	GPE_{chair rise}	+	+	+	+	+	5 of 5 = 100%

ISSN: 1471-2474