Table III.

Association between the initial PSA level and PSADT.

Initial PSA (ng/ml)	Νo. of patients	Preoperative PSADT (month), median (range)	Nο. of PSA measurements (times), median (range)	Period between PSA measurements (month), median (range)
0–3	29	16.2 (3–95.5)	5 (2–26)	48.6 (3.0–112.8)
3.1–6	83	7.4 (−28.1–286)	4 (2–24)	12.9 (3.0–60.4)
6.1–9	41	4.8 (−22.9–83.2)	3 (2–16)	8.7 (3.0–66.3)
9.1–12	24	3.2 (−4.5–12.6)	3 (2–9)	5.5 (3.0–19.5)
12.1–15	6	1.9 (−2.0–6.9)	3.5 (2–8)	7.1 (3.0–34.1)
>15	21	1.13 (−5.0–13.4)	3 (2–6)	4.6 (3.1–49.0)

PSA, prostate specific antigen; PSADT, prostate specific antigen doubling time.