Table 3

NECCPS: 10, 20, 30, and 35 year survival for 596 people

Characteristic		Percentage surviving to		Std error 35 y		Log rank test p value
Characteristic		10 y	20 y	Std error 35 y		Log rank test p value		30 y	35 y
Sex
Female	93.3	87.8	85.0	82.8	2.9	0.94
Male	94.4	89.8	85.1	83.5	2.6
Birth weight (g)
<1500	100.0	97.9	97.9	97.9	2.1	0.005
1500–2499	95.3	87.7	86.5	84.2	3.9
2500–3499	91.2	86.0	79.3	76.0	3.5
⩾3500	92.3	89.4	86.6	86.6	3.4
Gestational age (weeks)
<32	98.4	94.7	94.7	^3-150	3.0	0.13
32–36	94.7	87.1	87.1	^3-150	3.9
⩾37	92.8	84.6	82.8	^3-150	3.5
Year of birth
1960s	94.3	90.4	88.0	86.0	2.4	0.04
1970s	91.8	84.8	79.1	^3-150	3.4
1980s	94.6	91.4	^3-150		2.0
Disabilities
Cognitive
Not severe	98.9	98.5	98.5	98.5	7.7	0.001
Severe	88.8	74.1	65.2	62.9	5.4
Manual
Not severe	99.3	98.8	98.8	98.8	6.7	0.001
Severe	95.0	75.5	60.1	54.6	8.8
Ambulatory
Not severe	99.6	99.2	98.3	98.3	1.0	0.001
Severe	95.5	77.3	63.3	59.0	7.9
LAS
LAS <30	99.2	99.2	99.2	99.2	7.7	0.001
30 ⩽LAS <50	100.0	98.5	98.5	98.5	1.4
50 ⩽LAS <70	100.0	95.2	85.2	73.0	12.9
⩽70 LAS	98.4	75.8	60.8	60.8	9.7

Excluding individuals with missing data for each covariate; over 75% missing at random.
↵3-150 Insufficient data at age 35; std error for age 30.