Table 1

Muscular strength (Newton) in 223 VLBW boys and expected numbers calculated from total population

GroupDefinitionObservedExpected
1<97100.04
2972–131530.06
31316–1707430.33
41708–19526614.75
51953–20993844.13
62100–22463769.43
72247–23452260.86
82346–2443830.82
92444–1011.44