Table 4.

Comparison of genetic mutations and factors that were significantly different in the subgroup analysis in the chi-square and Fisher’s exact tests.

	PKD1	PKD2	p-Value	PKD1 Truncated	PKD1 Non-Truncated	p Value	PKD1 Truncated Aged ≥65 Years	PKD1 Non-Truncated Aged ≥65 Years	p-Value
BMI			0.676			0.134			0.676
<22.0	115	40		77	38		2	5
≥22.0	110	44		62	48		3	7
HtTKV			0.626			0.253			0.626
<750	116	40		67	49		3	9
≥750	109	44		72	37		2	3
Mayo classification			0.015			0.127			0.131
1A, 1B	79	43		43	36		4	12
1C, 1D, 1E	146	41		96	50		1	0

BMI: body mass index (kg/m²), HtTKV: height-adjusted total kidney volume (mL/m).