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Table 1 Clinical characteristics of all referred patients. (N = 214)

From: Anatomic outcomes of laser indirect ophthalmoscopy for retinopathy of prematurity in a tertiary referral center in the Philippines

  Screening terminated, no ROP = 91 With any ROP = 64 No ROP as of last screening but lost to follow-up = 59
Sex, n
 Male 36 (39.56%) 35 (54.69%) 26 (44.07%)
 Female 38 (41.76%) 23 (35.94%) 29 (49.15%)
 Data not available 17 (18.69%) 7 (10.94%) 4 (6.78%)
Age of gestation, weeks 32.74a 29.50b 31.75a
Birth weight, grams 1618.78c 1178.33d 1389.51d
Delay in screening vs. guidelines, weeks 5.27e 6.03f 2.52 g
  1. p ≤ .001 comparing age of gestation and birth weight between No ROP and With Any ROP, t-test
  2. aBy pediatric aging/Ballard score
  3. bBy last menstrual period in nine cases, by Pediatric Aging/Ballard Score otherwise
  4. cNot recorded in 2 infants
  5. dNot recorded in 4 infants; BW’s were available for all treatment successes and failures
  6. eExcludes 8 infants seen on time
  7. fExcludes 2 infants seen on time, and, 1 infant seen 3 years after
  8. gExcludes 5 infants seen on time