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Table 6 Multiple regression analysis for safe depths of 23 upper back acupoints

From: Safe needling depths of upper back acupoints in children: a retrospective study

Points Variables in multiple regression model
  Age Weight BMI Sex (male vs female)
  β (95 % CI) β (95 % CI) β (95 % CI) β (95 % CI)
  P value P value P value P value
GV9 −0.06 (−0.38–0.26) 0.716 0.33 (0.22–0.43) <0.001* 0.08 (−0.16–0.32) 0.527 −0.60 (−2.15–0.95) 0.446
GV10 −0.01 (−0.31–0.28) 0.927 0.28 (0.18–0.38) <0.001* 0.23 (0.01–0.45) 0.038* −0.85 (−2.27–0.57) 0.241
GV11 −0.25 (−0.55–0.05) 0.100 0.31 (0.22–0.41) <0.001* 0.19 (−0.04–0.41) 0.098 −1.05 (−2.49–0.39) 0.152
GV12 −0.14 (−0.48–0.20) 0.412 0.34 (0.23–0.45) <0.001* 0.21 (−0.04–0.47) 0.101 −1.41 (−3.06–0.24) 0.093
GV13 0.27 (−0.07–0.60) 0.114 0.27 (0.16–0.38) <0.001* 0.27 (0.02–0.52) 0.035* −0.82 (−2.45–0.81) 0.324
GV14 0.46 (0.05–0.86) 0.027* 0.26 (0.13–0.39) <0.001* 0.17 (−0.13–0.48) 0.261 −0.61 (−2.58–1.36) 0.544
BL11 −0.07 (−0.50–0.37) 0.757 0.29 (0.15–0.44) <0.001* 0.10 (−0.22–0.43) 0.531 1.34 (−0.78–3.46) 0.213
BL12 0.18 (−0.24–0.60) 0.395 0.19 (0.06–0.33) 0.005* 0.02(−0.30–0.33) 0.927 1.06 (−0.97–3.09) 0.304
BL13 −0.51 (−0.78–-0.24) <0.001* 0.31 (0.22–0.40) <0.001* 0.04 (−0.16–0.24) 0.700 −0.52 (−1.83–0.80) 0.442
BL14 −0.32 (−0.62– −0.01) 0.044* 0.32 (0.22–0.42) <0.001* 0.037 (−0.19–0.27) 0.755 −0.82 (−2.31–0.68) 0.284
BL15 −0.33 (−0.58– −0.09) 0.008* 0.25 (0.17–0.33) <0.001* 0.20 (0.01–0.38) 0.035* −0.77 (−1.96–0.42) 0.201
BL16 −0.16 (−0.44–0.12) 0.253 0.24 (0.15–0.33) <0.001* 0.20 (−0.01–0.40) 0.065 −0.142 (−1.48–1.20) 0.835
BL17 −0.22 (−0.47–0.03) 0.078 0.29 (0.21–0.37) <0.001* 0.05 (−0.14–0.23) 0.609 −1.16 (−2.36–0.04) 0.057
BL41 −0.51 (−0.86– −0.16) 0.005* 0.43 (0.31–0.54) <0.001* −0.08 (−0.35–0.19) 0.553 −1.14 (−2.86–0.57) 0.191
BL42 −0.32 (−0.64– −0.01) 0.046* 0.33 (0.23–0.44) <0.001* 0.06 (−0.17–0.30) 0.598 −1.69 (−3.23– −0.14) 0.032*
BL43 −0.32 (−0.62– −0.02) 0.036* 0.28 (0.19–0.38) <0.001* 0.13 (−0.09–0.36) 0.242 −0.97 (−2.42–0.47) 0.186
BL44 −0.36 (−0.68– −0.04) 0.026* 0.29 (0.18–0.39) <0.001* 0.138 (−0.10–0.38) 0.256 −1.62 (−3.17– −0.07) 0.040*
BL45 −0.40 (−0.67– −0.14) 0.003* 0.34 (0.25–0.42) <0.001* 0.00 (−0.20–0.20) 1.000 −2.25 (−3.53– −0.98) 0.001*
BL46 −0.31 (−0.55– −0.07) 0.012* 0.31 (0.23–0.38) <0.001* −0.01 (−0.19–0.18) 0.938 −1.66 (−2.84– −0.47) 0.006*
SI14 −0.10 (−0.56–0.36) 0.674 0.41 (0.26–0.56) <0.001* 0.13 (−0.22–0.47) 0.473 0.03 (−2.21–2.27) 0.978
SI15 0.20 (−0.26–0.66) 0.383 0.34 (0.20–0.49) <0.001* 0.18 (−0.16–0.53) 0.300 −0.22 (−2.45–2.00) 0.846
GB21 −0.26 (−0.64–0.13) 0.189 0.39 (0.26–0.51) <0.001* −0.17 (−0.46–0.12) 0.249 −2.12 (−3.99– −0.25) 0.026*
SP21 −0.04 (−0.24–0.16) 0.695 0.14 (0.08–0.21) <0.001* −0.07 (−0.22–0.09) 0.389 −0.57 (−1.55–0.41) 0.254
  1. *Statistically significant β regression coefficient, CI confidence interval