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Table 4 Results of the main effect variance analysis

From: Spine system changes in soldiers after load carriage training in a plateau environment: a prediction model research

Item Load time Load weight
DEVSQ Df Mean square F P DEVSQ Df Mean square F P
CSA 12.258 2 6.129 0.243 0.7915 86.341 2 43.171 3.359 0.1050
Gray value 660.432 2 330.216 2.925 0.1298 165.991 2 82.995 0.425 0.6721
FCSA 8.102 2 4.051 0.114 0.8940 128.419 2 64.209 4.159 0.0736
FCSA/CSA 3.249 2 1.624 0.283 0.7630 13.060 2 6.530 1.591 0.2791
L1/2 IVD 10.450 2 5.225 0.189 0.8322 32.111 2 16.055 0.670 0.5463
L2/3 IVD 36.934 2 18.467 1.072 0.3999 72.082 2 36.041 3.171 0.1149
L3/4 IVD 57.379 2 28.690 3.193 0.1137 3.654 2 1.827 0.102 0.9047
L4/5 IVD 4.001 2 2.001 0.209 0.8169 15.676 2 7.838 1.029 0.4130
L5/S1 IVD 168.697 2 84.349 1.737 0.2539 29.461 2 14.731 0.205 0.8199
L1-S1 IVD 19.978 2 9.989 2.343 0.1770 7.759 2 3.880 0.616 0.5712
L3/4 E-IF% 0.000 2 0.000 1.462 0.5050 0.000 2 0.000 1.573 0.4910
L4/5 E-IF% 5.789 2 2.894 0.636 0.6640 0.560 2 0.280 0.062 0.9441
LSA 98.999 2 49.500 0.217 0.8111 1075.995 2 537.998 8.228 0.0191
LLA 1822.127 2 911.064 1.922 0.2264 1117.132 2 558.566 0.944 0.4400
  1. DEVSQ Deviation sum of squares, Df Degrees of freedom, CSA Cross-sectional area, FCSA Functional cross-sectional area, IVD Intervertebral discs, E-IF% Percentage of effective intervertebral foramen area, LSA Lumbosacral angle, LLA Lumbar lordosis angle