Table 3:

Pediatric pain screening tool items and preoperative item endorsement among those who developed and did not develop chronic post-surgical pain (CPSP)

PPST Item	Response: Agree %		p value
	No CPSP	CPSP
	1. My pain is in more than one body part	27.94%		38.89%	0.254
2. I can only walk a short distance because of my pain	11.76%	33.33%	0.008
3. It is difficult for me to be at school all day	17.65%	22.22%	0.573
4. It is difficult for me to fall asleep and stay asleep at night	26.47%	41.67%	0.113
Physical subscale score PPST 1–4 (0 vs >0)	44.12%	66.67%	0.029 *
5. It’s not really safe for me to be physically active	10.29%	13.89%	0.585
6. I worry about my pain a lot	23.53%	47.22%	0.014 *
7. I feel that my pain is terrible and it’s never going to get any better	8.82%	13.89%	0.424
8. In general, I don’t have as much fun as I used to	25%	30.56%	0.543
9. Overall, how much has pain been a problem in the last 2 weeks? #	16.18%	13.89%	0.758
Psychosocial subscale score PPST5–9 (0 vs >0)	41.18%	58.33%	0.095

^#responses “not at all”, “a little”, “some” were scored as disagree, “a lot”, “a whole lot” were scored as agree. PPST: Pediatric pain screening tool, CPSP: chronic postsurgical pain

^*P<0.05