Chinese Herbal Decoction Based on Syndrome Differentiation as Maintenance Therapy in Patients with Extensive-Stage Small-Cell Lung Cancer: An Exploratory and Small Prospective Cohort Study

Table 4

CHD treatment duration in each phase.

Time of CHD treatment	Median months (range)	Number of patients (%)
Taking CHD during and after chemotherapy	4.7 (2.6–11.1)	16 (57)
Taking CHD after chemotherapy	2.4 (1–10.7)	12 (43)
Total time	12.2 (3.2–27)	28
>12 months	17.2 (12.4–27)	15 (54)
<12 months	5.3 (3.2–10.5)	13 (46)
First phase	3.4 (1–11.1)	28
>3 months	6.7 (3.4–11.1)	15 (54)
≤3 months	1.8 (1–3)	13 (46)
Second phase	7.0 (1–22.5)	27
>7 months	12.7 (7.3–16.7)	13 (48)
≤7 months	2.6 (1–7.0)	14 (52)