Table 5.

Relative benefit ratios for SC to the pandemic influenza vaccine in healthy controls and disease controls compared with patients on anti-CD20 therapy

Average duration of time since anti-CD20 therapy, moNo. of studies analyzed1 dose
(95% CI)
I2 %, P2 doses
(95% CI)
I2 %, PNo. of studies analyzed1 dose
(95% CI)
I2 %, P2 doses
(95% CI)
I2 %, P
 All patients on anti-CD20 therapy vs healthy controls All patients on anti-CD20 therapy vs disease controls  
On active treatment, <3 0.05 (0-0.73) N/A, 0.03 — — 0.22 (0.09-0.56) 3, .001 0.25 (0.12-0.55) 0, .0006 
3-6 0.50 (0.24-1.06) N/A, 0.07 — — 0.44 (0.23-0.84) 0, .01 0.10 (0.01-1.49) N/A, .10 
6-12 — — — — — 0.77 (0.28-2.10) N/A, .61 0.62 (0.23-1.67) N/A, .35 
>12 0.50 (0.23-1.09) N/A, 0.08 0.82 (0.51-1.32) N/A, 0.41 1.03 (0.45-2.35) N/A, .94 1.10 (0.74-1.63) N/A, .65 
      Only patients with hematologic malignancy on anti-CD20 therapy vs disease controls 
On active treatment, <3  0.19 (0.06-0.61) 21, .005 0.22 (0.09-0.52) 0, .0007 
3-6  0.13 (0.01-1.85) N/A, .13 0.10 (0.01-1.49) N/A, .10 
6-12  0.77 (0.28-2.10) N/A, .61 0.62 (0.23-1.67) N/A, .35 
>12  1.03 (0.45-2.35) N/A, .94 1.10 (0.74-1.63) N/A, .65 
Average duration of time since anti-CD20 therapy, moNo. of studies analyzed1 dose
(95% CI)
I2 %, P2 doses
(95% CI)
I2 %, PNo. of studies analyzed1 dose
(95% CI)
I2 %, P2 doses
(95% CI)
I2 %, P
 All patients on anti-CD20 therapy vs healthy controls All patients on anti-CD20 therapy vs disease controls  
On active treatment, <3 0.05 (0-0.73) N/A, 0.03 — — 0.22 (0.09-0.56) 3, .001 0.25 (0.12-0.55) 0, .0006 
3-6 0.50 (0.24-1.06) N/A, 0.07 — — 0.44 (0.23-0.84) 0, .01 0.10 (0.01-1.49) N/A, .10 
6-12 — — — — — 0.77 (0.28-2.10) N/A, .61 0.62 (0.23-1.67) N/A, .35 
>12 0.50 (0.23-1.09) N/A, 0.08 0.82 (0.51-1.32) N/A, 0.41 1.03 (0.45-2.35) N/A, .94 1.10 (0.74-1.63) N/A, .65 
      Only patients with hematologic malignancy on anti-CD20 therapy vs disease controls 
On active treatment, <3  0.19 (0.06-0.61) 21, .005 0.22 (0.09-0.52) 0, .0007 
3-6  0.13 (0.01-1.85) N/A, .13 0.10 (0.01-1.49) N/A, .10 
6-12  0.77 (0.28-2.10) N/A, .61 0.62 (0.23-1.67) N/A, .35 
>12  1.03 (0.45-2.35) N/A, .94 1.10 (0.74-1.63) N/A, .65 

The RB is the ratio of SC rate in patients treated with anti-CD20 therapy to the SC rate in healthy or disease controls. Bold values represent statistically significant relative benefit ratios.

N/A, not applicable.

—, no available data.

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