Table 3 Patients’ prognoses with different combination regimen and follow-up time.

From: Systematic Review and Cumulative Analysis of the Combination of Mitomycin C plus Bacillus Calmette-Guérin (BCG) for Non–Muscle-Invasive Bladder Cancer

Combination regimen

Follow-up time

No. of included study

No. recurrence/total (%)

No. disease-free case/total (%)

No. progression/total (%)

No. death from any causes/total (%)

No. death from bladder cancer/total (%)

No. severe side-effects/total (%)

Combination regimen 1

Medium-term (2–5 yrs)

4

43/146 (29.5)

53/96 (55.2)

1/75 (1.3)

3/23 (13)

0/50

0/75

Combination regimen 2

Short-term (≤2 yrs)

5

49/221 (22.2)

103/146 (70.5)

6/181 (3.3)

1/181 (0.6)

0/221

3/221 (1.4)

 

Medium-term (2–5 yrs)

5

84/321 (26.2)

145/233 (62.2)

14/292 (4.8)

32/233 (13.7)

5/292 (1.7)

23/321 (7.2)

 

Long-term (≥5 yrs)

2

89/209 (42.6)

94/209 (45)

16/209 (7.7)

79/209 (37.8)

9/209 (4.3)

5/209 (2.4)

Combination regimen 3

Short-term (≤2 yrs)

1

0/20

0/20

0/20

0/20

 

Medium-term (2–5 yrs)

5

136/314 (43.3)

154/314 (49)

39/314 (12.4)

2/155 (1.3)

13/314 (4.1)

16/314 (5.1)

 

Long-term (≥5 yrs)

1

19/28 (67.9)

8/28 (28.6)

20/28 (71.4)

8/28 (28.6)

Combination regimen 4

Short-term (≤2 yrs)

1

1/21 (4.8)

0/21

0/21

 

Long-term (≥5 yrs)

1

44/211 (20.9)

26/211 (12.3)

51/211 (24.2)

10/211 (4.7)

20/211 (9.5)

  1. Combination regimen 1: a single dose of perioperative MMC prior to BCG; Combination regimen 2: sequential instillation with MMC and BCG; Combination regimen 3: alternating instillation with MMC and BCG; Combination regimen 4: mixed instillation with MMC plus BCG.