Table 1.

Age and PSA levels in patients with different pathological types

Group	Age (year)	PSA (ng/mL)
BPH	67.47 ± 10.39	11.67 ± 12.70
PIN	69.50 ± 11.13	22.42 ± 12.32
PCa	67.97 ± 11.91	25.07 ± 26.07*

Notes:

^*P = 0.010 vs BPH. Data are presented as mean ± standard deviation.

Abbreviations: PSA, prostate-specific antigen; BPH, benign prostatic hyperplasia; PIN, prostatic intraepithelial neoplasia; PCa, prostate cancer.