Table 3.

Correlation among pelvic and lumbar alignment parameters (Pearson correlation)

Parameter variablesa	PR	PR-S1	PA
Pelvic alignments
PR-S1	0.2387 (0.0168)	< >	−0.4882 (<0.0001)
PA	−0.07519 (0.4572)	< >	< >
HA-S1	0.1538 (0.1267)	−0.4214 (<0.0001)	0.9411 (<0.0001)
Lumbar alignments
PR-T12	0.08041 (0.4264)	0.2908 (0.0033)	−0.6296 (<0.0001)
T12-S1	−0.1642 (0.0125)	−0.6567 (<0.0001)	−0.06103 (0.5464)
PR-L2	0.03744 (0.7116)	0.5057 (<0.0001)	−0.7412 (<0.0001)
PR-L4	0.08082 (0.4241)	0.7402 (<0.0001)	−0.7297 (0.0001)
PR-L5	0.1238 (0.2198)	0.8275 (<0.0001)	−0.6783 (0.0001)

Data are shown by r value (P value)

^aSee Table 1 and Fig. 2 for abbreviations and descriptions of measurement