. 2015 Feb 5;148(1):185–195. doi: 10.1378/chest.14-2380

TABLE 6 ] .

Between-Group Differences in the Change in Phase Shift Angles (θ) During Quiet Breathing Between Each of LVRS, BLVR, and All Successful LVR Groups, and the Control Group

Mean Change in θ	LVRS (n = 9)	Control Subjects (n = 10)	Between-Group Difference in Change from Baseline	P Value^a	BLVR (n = 7)	Control Subjects (n = 10)	Between-Group Difference in Change from Baseline	P Value^a	All Successful LVR (n = 16)	Control Subjects (n = 10)	Between-Group Difference in Mean Change From Baseline	P Value^a
θRC	−17.3 ± 13.5	16.1 ± 14.3	33.3 (−75.0 to 8.4)	.03	−42.4 ± 11.5	16.1 ± 14.3	58.4 (−100.3 to −16.6)	.003	−28.2 ± 9.4	16.1 ± 14.3	44.3 (−78.0 to −10.6)	.003
θRC treated side	−25.4 ± 14.2	17.8 ± 12.0	43.2 (−82.2 to −4.3)	.04	−49.6 ± 13.7	17.8 ± 12.0	67.40 (−106.6 to −28.2)	.001	−36.0 ± 10.1	17.8 ± 12.0	53.8 (−86.8 to −20.9)	.003
θRC untreated side	−11.9 ± 13.7	−5.4 ± 18.7	6.5 (−56.4 to 43.4)	.96	−25.3 ± 17.8	−5.4 ± 18.7	19.9 (−77.3 to 37.4)	.31	−17.7 ± 10.7	−5.4 ± 18.7	12.4 (−53.6 to 28.9)	.62
θDIA	28.9 ± 8.0	−6.0 ± 16.4	34.8 (−5.1 to 74.8)	.008	28.0 ± 14.6	−6.0 ± 16.4	34.0 (−15.4 to 83.3)	.05	28.5 ± 7.5	−6.0 ± 16.4	34.5 (1.42 to 67.5)	.007
θDIA treated side	32.8 ± 7.5	−11.2 ± 15.1	44.0 (7.2 to 80.8)	.008	30.0 ± 17.1	−11.2 ± 15.1	41.2 (−7.8 to 90.3)	.07	31.6 ± 8.3	−11.2 ± 15.1	42.8 (10.2 to 75.4)	.008
θDIA untreated side	14.8 ± 11.3	−1.2 ± 4.4	16.0 (−15.7 to 47.6)	.11	16.4 ± 16.9	−1.2 ± 4.4	17.6 (−14.2 to 49.4)	.131	14.8 ± 11.3	−1.2 ± 4.4	16.0 (−15.7 to 47.6)	.13

Data are presented as No. ± SD or No. (95% CI). See Table 1-3 legends for expansion of abbreviations.

Mann-Whitney test.