Table 2

Outcome for term infants

Outcome variable	Position	N	Median	IQR	p Value*
Heart rate (bpm)	At rest in cot	19	127	116–149	Ref group
	30°	18	127	115.3–142.8	0.65
	40°	19	138	126–144	0.03
	In motion	18	131	123.5–143.8	0.16
Oxygen saturation (%)	At rest in cot	19	95	92–97	Ref group
	30°	18	93.5	93–95.3	0.11
	40°	19	94	91–96	0.04
	In motion	18	93	91–95	0.01
Number of desaturations <85% in 30 min (n)	At rest in cot	19	1	0.5–1.5	Ref group
	30°	18	2.5	0–6.5	0.06
	40°	19	4	0–7	0.06
	In motion	17	2	0.5–8	0.04
Total number of desaturations (n) (fall in SpO₂≥4% lasting for ≥10 s per hour)	At rest in cot	19	25	13–36	Ref group
	30°	18	31	22–42	0.08
	40°	19	31	23–36	0.049
	In motion	17	35	24–45	0.01
Respiratory rate (breaths per minute)	At rest in cot	18	43	37.5–52.3	Ref group
	30°	17	47	37.5–52	0.28
	40°	18	51	39.8–56.3	0.009
	In motion	17	49	39.5–55	0.02
End-tidal CO₂ (kPa)	At rest in cot	18	4.25	3.72–4.73	Ref group
	30°	17	4.51	3.81–4.88	0.55
	40°	18	4.47	3.79–5.11	0.15
	In motion	17	4.21	3.73–5.09	0.38
Outcome variable	Position	N	N	Per cent	p Value†
One or more bradycardias (n)	At rest in cot	19	3	15.8	Ref group
	30°	18	1	5.6	0.48
	40°	19	2	10.6	1.00
	In motion	18	3	16.7	1.00
One or more apnoeas (n)	At rest in cot	19	3	15.8	Ref group
	30°	18	1	5.6	0.62
	40°	19	0	0	0.25
	In motion	18	0	0	0.25

*Wilcoxon test. †McNemar's test.