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. 2020 Feb 4;23(3):457–464. doi: 10.1038/s41391-019-0200-z

Table 2.

Muscle strength at baseline, 6 and 12 months.

Baseline 6 months 12 months 0–6 monthsd 7–12 monthse 0–12 monthsf
Adj. Diff. P valuec Adj. Diff. P valuec Adj. Diff. P valuec
Chest press (kg)a
 IMX 43.4 ± 12.8 44.7 ± 12.5 46.3 ± 12.1 4.3 (2.7, 5.8) <0.001 −5.2 (−7.1, −3.3) <0.001 −1.5 (−3.9, 1.0) 0.160
 DEL 46.0 ± 16.3 42.8 ± 14.7 49.8 ± 13.9
Leg press (kg)a
 IMX 119.0 ± 49.9 138.8 ± 51.6 142.8 ± 55.4 19.9 (12.3, 27.5) <0.001 −18.7 (−25.0, −12.5) <0.001 1.7 (−8.0, 11.4) 0.937
 DEL 119.6 ± 48.4 119.5 ± 48.0 141.7 ± 51.4
Seated row (kg)b
 IMX 73.9 ± 16.1 76.4 ± 15.2 77.3 ± 15.8 5.6 (3.8, 7.4) <0.001 −5.9 (−7.7, −4.1) <0.001 0.0 (−2.3, 2.4) 0.971
 DEL 75.6 ± 16.6 72.5 ± 14.2 78.8 ± 16.7

Values are the mean ± SD.

IMX immediate exercise, DEL delayed exercise, Adj. Diff. ANCOVA adjusted mean difference and 95% CI.

aIMX n = 53, DEL n = 48.

bIMX n = 53, DEL n = 49.

cP value based on log transformed data for chest press and leg press.

d6 months adjusted for baseline value.

e12 months adjusted for 6-month value.

f12 months adjusted for baseline value.