Table 2

Difference between predicted and observed rates of hospital contact during the pandemic (March 2020–2021) among children aged 0–4 years by clinical vulnerability group

Percentage of children seenNumber of hospital contacts% changeRates per 1000 child-years% change
nN%PredictedObservedDifferencePredictedObservedDifference (95% CI)
Outpatient attendances
Total*370 6232 765 94113.41 500 6741 173 091−327 583−21.8543424−118 (−115 to 122)−21.8
No known vulnerability232 9762 243 08810.4635 226471 743−163 483−25.7283210−73 (−71 to 74)−25.7
Any vulnerability137 647522 85326.3865 448701 348−164 100−19.016551341−314† (−302 to 326)−19.0
 LBW/preterm only29 622226 43913.194 66076 039−18 621−19.7418336−82† (−77 to 88)−19.7
 CC only86 825231 67137.5586 026475 226−110 800−18.925302051−478† (−465 to 492)−18.9
 Both21 20064 74332.7184 762150 083−34 679−18.828542318−536† (−508 to 563)−18.8
Any CC‡107 762296 41436.4771 219625 309−145 910−18.926022110−492† (−480 to 505)−18.9
Planned admissions
Total52 2802 765 9411.9144 98092 618−52 362−36.15233−19 (−18 to 20)−36.1
No known vulnerability15 2872 243 0880.740 56817 022−23 546−58.0188−10 (−10 to 11)−58.0
Any vulnerability36 993522 8537.1104 41275 596−28 816−27.6200145−55† (−51 to 59)−27.6
 LBW/preterm only1389226 4390.636751522−2153−58.6167−10 (−8 to 11)−58.6
 CC only31 038231 67113.485 36765 506−19 861−23.3368283−86† (−81 to 91)−23.3
 Both456664 7437.115 3708568−6802−44.3237132−105† (−97 to 113)−44.3
Any CC35 603296 41412.0100 92974 074−26 855−26.6341250−91† (−86 to 95)−26.6
Unplanned admissions
Total131 1342 765 9414.7442 174179 366−262 808−59.416065−95 (−93 to 97)−59.4
No known vulnerability66 8302 243 0883.0254 26377 713−176 550−69.411335−79 (−78 to 80)−69.4
Any vulnerability64 304522 85312.3187 911101 653−86 258−45.9359194−165† (−159 to 171)−45.9
 LBW/preterm only6046226 4392.725 5207228−18 292−71.711332−81 (−78 to 84)−71.7
 CC only52 285231 67122.6134 05584 126−49 929−37.2579363−216† (−209 to 222)−37.2
 Both597364 7439.228 33610 299−18 037−63.7438159−279† (−268 to 290)−63.7
Any CC58 248296 41419.7162 64894 425−68 223−41.9549319−230† (−224 to 236)−41.9
  • *268 256 (8.8%) children missing gestational age and birth weight data.

  • †Significantly different from children with no known vulnerability (5% level of significance).

  • ‡Any CC combines CC only and both.

  • CC, chronic conditions; LBW, low birth weight.