Within Country (UK)	1(b) to 1(d)
Numerator	1b = 943
Denominator	1b = 19
Numerator 1d (combined) = 470
Denominator 1d = 10 + 9 = 19
Group 1 Incidence rate	49.632
95% Confidence Interval	46.514 to 52.903
Group 2 Incidence rate	24.737
95% Confidence Interval	22.551 to 27.078
Incidence rate difference	24.895
95% Confidence Interval	21.017 to 28.772
p-value	p < 0.0001
Incidence rate ratio	2.0064
95% Confidence Interval	1.7943 to 2.2460
p-value	p < 0.0001