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Table 3 Values for pilots performing per protocol1, program A and B respectively

From: Impact of exercise programs among helicopter pilots with transient LBP

  Program A per-protocol n = 7 Program B per-protocol n = 13
PRE
Mean (SD)
POST
Mean (SD)
Mean diff (95% CI) p PRE
Means (SD)
POST Means (SD) Mean diff (95% CI) p
VAS (0–10) 2.4 (1.4) 2.9 (1.5) 0.4 (÷1.0 to 1.8) .482 4.1 (2.4) 1.9 (1.4) ÷2.2 (÷4.0 to ÷0.3) .028
ODI % 8.6 (5.9) 6.3 (5.1) ÷2.3 (÷6.6 to 2.0) .244 10.9 (5.6) 8.5 (5.4) ÷2.5 (÷4.5 to ÷0.4) .022
EQ-5D (0–100) 77.2 (17.6) 87.6 (12.0) 10.4 (÷5.0 to 25.9) .150 78.0 (10.9) 91.6 (13.4) 13.7 (5.7 to 21.6) .003
Muscular endurance in seconds
 Extension 67 (14) 95 (43) 28 (15.2 to 70.4) .166 51 (33) 46 (14) ÷5.2 (÷28.2 to 17.7) .628
 Flexion 48 (18) 122 (49) 73 (26.1 to 120.8) .009 69 (48) 102 (61) 33.4 (÷5.2 to 71.9) .084
 RSB2 41 (25) 60 (26) 19 (8.5 to 29.2) .004 31 (11) 48 (16) 17.0 (5.1 to 28.9) .009
 LSB3 57 (28) 94 (42) 37 (19.0 to 54.1) .002 38 (15) 62 (21) 23.9 (10.1 to 37.6) .003
 Total time holding time 214 (55) 371 (118) 156 (76.5 to 236.3) .003 190 (85) 259 (88) 69.0 (÷1.4 to 139.4) .054
Ultrasound in percent4
 Level L4-L5 6.9 (5.0) 9.1 (4.6) 2.3 (÷0.3 to 4.8) .076 8.6 (4.3) 11.0 (5.5) 2.5 (0.8 to 4.1) .007
 Level L5-S1 5.1 (4.0) 5.9 (5.6) 0.9 (÷1.4 to 3.1) .379 4.9 (3.7) 6.7 (3.7) 2.3 (0.5 to 4.0) .016
ȀRight Side L4–5 and L5-S1 5.2 (4.6) 8.2 (5.2) 3.0 (0.9 to 5.0) .012 5.7 (4.2) 9.0 (5.1) 3.3 (1.9 to 4.7) .000
 Left Side L4–5 and L5-S1 6.8 (4.4) 6.9 (4.6) 0.2 (÷2.1 to 2.4) .878 7.4 (4.6) 8.8 (4.8) 1.4 (÷1.0 to 3.8) .225
 Both levels and sides 6.0 (4.2) 7.5 (4.8) 1.6 (0.2 to 3.0) .035 6.5 (3.8) 8.9 (4.4) 2.4 (0.9 to 3.9) .005
  1. Mean values with Standard Deviation(SD) and Mean difference with 95% Confidence Intervals(CI) and p-values form paired samples t-test. 1Pilots performing per protocol ≥19 session of the scheduled 36 sessions. 2RSB = Right Side Bridge. 3LSB = Left Side Bridge 4Values given in %-change from relaxed to contracted muscle