Table 3 Capillary blood gas measurements according to randomised treatment

Time (mins)

Difference^a (95% CI)

P

Oxygen

Air

0

40·2 (7·0) N = 43

38·5 (5·9) N = 41

–

–

35

42·6 (8·3) N = 41

39·0 (6·4) N = 39

2·0 (1.1 to 2·8)

< 0·001

Time (mins)

Difference^b (95% CI)

P

Oxygen

Air

0

7·42 (0·04) N = 43

7·44 (0·03) N = 41

–

–

35

7·41 (0·04) N = 41

7·43 (0·04) N = 39

-0·015 (− 0·024 to − 0·008)

< 0·001