TABLE 1

Correlation of proliferation parameters (cell doubling time and cell cycle phases) with the IC₅₀ values for standard antineoplastic agents in the NCI cell line panel

Numbers are P values (Kendall's τ test).

	Doubling Time	G₀/G₁	S	G₂/M
Doxorubicin	0.01445	0.15533	0.17845	0.00371
Vinblastine	0.00248	0.46660	0.06903	0.01866
5-Fluorouracil	<0.00001	0.46994	0.01889	0.06871
Methotrexate	<0.00001	0.13427	0.00505	0.00936
Carboplatin	0.47414	0.14364	0.22549	0.11834
Dacarbazine	0.33905	0.32246	0.35002	0.14325
Ifosfamide	0.34686	0.41963	0.23635	0.38028