Table 3.

Averaged differences and 95% confidence interval between each two plans

Type	MP vs. AP1		MP vs. AP2		AP1 vs. AP2
	Diff (95% confidence interval)	P‐values	Diff (95% confidence interval)	P‐values	Diff (95% confidence interval)	P‐values
PTV
CI(PTV)	0.00 (−0.10 to 0.10)	0.575	−0.09 (−0.24 to 0.05)	0.241	−0.09 (−0.21 to 0.02)	0.047
HI(PTV)	0.01(−0.01 to 0.02)	0.203	0.00 (−0.02 to 0.02)	0.878	−0.01 (−0.02 to 0.00)	0.059
Lungs
V5 (%)	−1.70 (−5.94 to 2.54)	0.333	−4.49 (−11.86 to 2.87)	0.333	−2.79 (−8.77 to 3.19)	0.285
V20 (%)	−0.58 (−1.39 to 0.24)	0.169	1.62 (0.19 to 3.04)	0.037	2.20 (0.94 to 3.45)	0.007
V30 (%)	−0.76 (−1.93 to 0.40)	0.114	1.06 (−0.17 to 2.29)	0.037	1.82 (1.08 to 2.56)	0.005
Dmean (Gy)	−0.26 (−0.61 to 0.08)	0.203	0.30 (−0.08 to 0.68)	0.114	0.56 (0.19 to 0.93)	0.013
Heart
V30 (%)	2.02 (0.42 to 3.63)	0.028	2.56 (0.20 to 4.92)	0.028	0.54 (−0.74 to 1.82)	0.285
V40 (%)	1.12 (−0.32 to 2.57)	0.139	1.53 (−0.99 to 4.05)	0.203	0.41 (−1.20 to 2.02)	0.799
Spinal cord
Dmax (Gy)	2.25 (1.21 to 3.28)	0.013	2.75 (1.12 to 4.39)	0.017	0.50 (−0.33 to 1.34)	0.169
Spinal cord PRV
Dmax (Gy)	2.54 (1.26 to 3.82)	0.007	2.10 (0.33 to 3.88)	0.047	−0.44 (−1.61 to 0.73)	0.285