Table 4

Total costs (£) to the 5-year follow-up by trial arm and by subgroups

SITA
Mean cost
BITA
Mean cost
BITA vs SITA
Mean difference (95% CI to P values)
No history of diabetes (n=2368)17 26917 951681 (−227 to 1590; 0.142)
Insulin-dependent diabetes (n=174)18 35524 0285673 (1334 to 10012; 0.011)
Non-insulin-dependent diabetes (n=560)17 95719 4031447 (−474 to 3367; 0.140)
Aged <70 years (n=2271)16 47417 8421368 (538 to 2198; 0.001)
Aged ≥70 years (n=831)20 04220 666623 (−1398 to 2644; 0.545)
Off-pump (n=1259)17 90518 065160 (−1237 to 1557; 0.823)
On-pump (n=1819)17 25619 2141958 (985 to 2931; 0.000)
No prior MI (n=1800)17 22218 088866 (−150 to 1882; 0.095)
Prior MI (n=1300)17 74619 2601514 (187 to 2840; 0.025)
NYHA class I and II (n=2431)17 55618 296740 (−132 to 1612; 0.096)
NYHA class III and IV (n=669)17 03919 5822542 (534 to 4550; 0.013)
CCS class 0 to I, II (n=2143)17 57118 185614 (−347 to 1575; 0.210)
CCS class III to IVa/b/c (n=959)17 17519 4522278 (769 to 3786; 0.003)
UK (n=2053)18 05218 864813 (−306 to 1932; 0.154)
Poland (n=606)15 69116 8111120 (130 to 2109; 0.027)
Australia (n=192)19 87821 7671889 (−682 to 4460; 0.149)
  • BITA, bilateral internal thoracic artery; CCS, Canadian Cardiovascular Society; MI, myocardial infarction NYHA, New York Heart Association; SITA, single internal thoracic artery.